11856681754 has 16 divisors (see below), whose sum is σ = 18054527400. Its totient is φ = 5838739200.

The previous prime is 11856681737. The next prime is 11856681761. The reversal of 11856681754 is 45718665811.

11856681754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11854201129 + 2480625 = 108877^2 + 1575^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44422 + ... + 160270.

Almost surely, 2^11856681754 is an apocalyptic number.

11856681754 is a deficient number, since it is larger than the sum of its proper divisors (6197845646).

11856681754 is a wasteful number, since it uses less digits than its factorization.

11856681754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116625.

The product of its digits is 1612800, while the sum is 52.

The spelling of 11856681754 in words is "eleven billion, eight hundred fifty-six million, six hundred eighty-one thousand, seven hundred fifty-four".