11101155660111 has 16 divisors (see below), whose sum is σ = 16153235797248. Its totient is φ = 6725431339200.

The previous prime is 11101155660107. The next prime is 11101155660137. The reversal of 11101155660111 is 11106655110111.

It is a happy number.

It is not a de Polignac number, because 11101155660111 - 2² = 11101155660107 is a prime.

It is a super-3 number, since 3×11101155660111³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101155660151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63456030 + ... + 63630731.

It is an arithmetic number, because the mean of its divisors is an integer number (1009577237328).

Almost surely, 2^{11101155660111} is an apocalyptic number.

11101155660111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101155660111 is a deficient number, since it is larger than the sum of its proper divisors (5052080137137).

11101155660111 is a wasteful number, since it uses less digits than its factorization.

11101155660111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127089422.

The product of its (nonzero) digits is 900, while the sum is 30.

The spelling of 11101155660111 in words is "eleven trillion, one hundred one billion, one hundred fifty-five million, six hundred sixty thousand, one hundred eleven".