11855115076 has 36 divisors (see below), whose sum is σ = 24359218128. Its totient is φ = 5033270928.

The previous prime is 11855115043. The next prime is 11855115079. The reversal of 11855115076 is 67051155811.

It is not an unprimeable number, because it can be changed into a prime (11855115079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261670 + ... + 303613.

It is an arithmetic number, because the mean of its divisors is an integer number (676644948).

Almost surely, 2^11855115076 is an apocalyptic number.

It is an amenable number.

11855115076 is an abundant number, since it is smaller than the sum of its proper divisors (12504103052).

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

11855115076 is a wasteful number, since it uses less digits than its factorization.

11855115076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565408 (or 565399 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 40.

The spelling of 11855115076 in words is "eleven billion, eight hundred fifty-five million, one hundred fifteen thousand, seventy-six".