11885700156 has 48 divisors (see below), whose sum is σ = 31569931008. Its totient is φ = 3445129600.

The previous prime is 11885700109. The next prime is 11885700163. The reversal of 11885700156 is 65100758811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954425 + ... + 1960496.

It is an arithmetic number, because the mean of its divisors is an integer number (657706896).

Almost surely, 2^11885700156 is an apocalyptic number.

It is an amenable number.

11885700156 is an abundant number, since it is smaller than the sum of its proper divisors (19684230852).

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

11885700156 is a wasteful number, since it uses less digits than its factorization.

11885700156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3914962 (or 3914960 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 11885700156 in words is "eleven billion, eight hundred eighty-five million, seven hundred thousand, one hundred fifty-six".