11640697792 has 28 divisors (see below), whose sum is σ = 23178384936. Its totient is φ = 5800474880.

The previous prime is 11640697777. The next prime is 11640697801. The reversal of 11640697792 is 29779604611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291634 + ... + 329137.

It is an arithmetic number, because the mean of its divisors is an integer number (827799462).

Almost surely, 2^11640697792 is an apocalyptic number.

It is an amenable number.

11640697792 is a deficient number, since it is larger than the sum of its proper divisors (11537687144).

11640697792 is an equidigital number, since it uses as much as digits as its factorization.

11640697792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621076 (or 621066 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 11640697792 in words is "eleven billion, six hundred forty million, six hundred ninety-seven thousand, seven hundred ninety-two".