11856924261672 has 32 divisors (see below), whose sum is σ = 33876926462400. Its totient is φ = 3387692646144.

The previous prime is 11856924261641. The next prime is 11856924261727. The reversal of 11856924261672 is 27616242965811.

It is a super-2 number, since 2×11856924261672² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35288464897 + ... + 35288465232.

It is an arithmetic number, because the mean of its divisors is an integer number (1058653951950).

Almost surely, 2^{11856924261672} is an apocalyptic number.

11856924261672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11856924261672 is an abundant number, since it is smaller than the sum of its proper divisors (22020002200728).

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

11856924261672 is a wasteful number, since it uses less digits than its factorization.

11856924261672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70576930145 (or 70576930141 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 11856924261672 in words is "eleven trillion, eight hundred fifty-six billion, nine hundred twenty-four million, two hundred sixty-one thousand, six hundred seventy-two".