11806704931 has 16 divisors (see below), whose sum is σ = 14249700864. Its totient is φ = 9563393664.

The previous prime is 11806704913. The next prime is 11806704991. The reversal of 11806704931 is 13940760811.

It is a cyclic number.

It is not a de Polignac number, because 11806704931 - 2²¹ = 11804607779 is a prime.

It is a super-2 number, since 2×11806704931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11806704911) 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, 428406 + ... + 455131.

It is an arithmetic number, because the mean of its divisors is an integer number (890606304).

Almost surely, 2^11806704931 is an apocalyptic number.

11806704931 is a deficient number, since it is larger than the sum of its proper divisors (2442995933).

11806704931 is an equidigital number, since it uses as much as digits as its factorization.

11806704931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883650.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 11806704931 in words is "eleven billion, eight hundred six million, seven hundred four thousand, nine hundred thirty-one".