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11112111013110 = 235370403700437
BaseRepresentation
bin1010000110110011110101…
…1011011111110011110110
31110100022022010022020021020
42201230331123133303312
52424030100404404420
635344455555402010
72224552320110052
oct241547533376366
943308263266236
1011112111013110
1135a468aa7a458
1212b57275b3306
13627b38096833
142a5b86c70c62
151440b8c92340
hexa1b3d6dfcf6

11112111013110 has 16 divisors (see below), whose sum is σ = 26669066431536. Its totient is φ = 2963229603488.

The previous prime is 11112111013063. The next prime is 11112111013151. The reversal of 11112111013110 is 1131011121111.

It is a happy number.

It is a super-2 number, since 2×111121110131102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11112111013110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185201850189 + ... + 185201850248.

It is an arithmetic number, because the mean of its divisors is an integer number (1666816651971).

Almost surely, 211112111013110 is an apocalyptic number.

11112111013110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112111013110 is an abundant number, since it is smaller than the sum of its proper divisors (15556955418426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112111013110 is a wasteful number, since it uses less digits than its factorization.

11112111013110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370403700447.

The product of its (nonzero) digits is 6, while the sum is 15.

Adding to 11112111013110 its reverse (1131011121111), we get a palindrome (12243122134221).

The spelling of 11112111013110 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, thirteen thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 370403700437 740807400874 1111211101311 1852018502185 2222422202622 3704037004370 5556055506555 11112111013110