11711892155 has 16 divisors (see below), whose sum is σ = 14387155200. Its totient is φ = 9147774048.

The previous prime is 11711892151. The next prime is 11711892193. The reversal of 11711892155 is 55129811711.

It is a cyclic number.

It is not a de Polignac number, because 11711892155 - 2² = 11711892151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11711892151) 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, 570194 + ... + 590376.

It is an arithmetic number, because the mean of its divisors is an integer number (899197200).

Almost surely, 2^11711892155 is an apocalyptic number.

11711892155 is a deficient number, since it is larger than the sum of its proper divisors (2675263045).

11711892155 is a wasteful number, since it uses less digits than its factorization.

11711892155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22930.

The product of its digits is 25200, while the sum is 41.

The spelling of 11711892155 in words is "eleven billion, seven hundred eleven million, eight hundred ninety-two thousand, one hundred fifty-five".