11926580769 has 6 divisors (see below), whose sum is σ = 17227283346. Its totient is φ = 7951053840.

The previous prime is 11926580759. The next prime is 11926580773. The reversal of 11926580769 is 96708562911.

It can be written as a sum of positive squares in only one way, i.e., 8738510400 + 3188070369 = 93480^2 + 56463^2 .

It is not a de Polignac number, because 11926580769 - 2¹¹ = 11926578721 is a prime.

It is a super-2 number, since 2×11926580769² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11926580759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662587812 + ... + 662587829.

It is an arithmetic number, because the mean of its divisors is an integer number (2871213891).

Almost surely, 2^11926580769 is an apocalyptic number.

It is an amenable number.

11926580769 is a deficient number, since it is larger than the sum of its proper divisors (5300702577).

11926580769 is a wasteful number, since it uses less digits than its factorization.

11926580769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325175647 (or 1325175644 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 11926580769 in words is "eleven billion, nine hundred twenty-six million, five hundred eighty thousand, seven hundred sixty-nine".