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11101111101011 = 47236193853213
BaseRepresentation
bin1010000110001010110111…
…0010001010011001010011
31110022020220112000210121102
42201202231302022121103
52423340033420213021
635335440253215015
72224012611311351
oct241425562123123
943266815023542
1011101111101011
11359aa558a1708
1212b357779146b
13626aa41a01c9
142a5421dc47d1
15143b7321e00b

11101111101011 has 4 divisors (see below), whose sum is σ = 11337304954272. Its totient is φ = 10864917247752.

The previous prime is 11101111100971. The next prime is 11101111101037. The reversal of 11101111101011 is 11010111110111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11101111101011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101111100983 and 11101111101001.

It is not an unprimeable number, because it can be changed into a prime (11101111101071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118096926560 + ... + 118096926653.

It is an arithmetic number, because the mean of its divisors is an integer number (2834326238568).

Almost surely, 211101111101011 is an apocalyptic number.

11101111101011 is a deficient number, since it is larger than the sum of its proper divisors (236193853261).

11101111101011 is an equidigital number, since it uses as much as digits as its factorization.

11101111101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236193853260.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11101111101011 its reverse (11010111110111), we get a palindrome (22111222211122).

It can be divided in two parts, 1110111 and 1101011, that multiplied together give a palindrome (1222244422221).

The spelling of 11101111101011 in words is "eleven trillion, one hundred one billion, one hundred eleven million, one hundred one thousand, eleven".

Divisors: 1 47 236193853213 11101111101011