11656611496 has 8 divisors (see below), whose sum is σ = 21856146570. Its totient is φ = 5828305744.

The previous prime is 11656611431. The next prime is 11656611503. The reversal of 11656611496 is 69411665611.

11656611496 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 only one way, i.e., 11639388996 + 17222500 = 107886^2 + 4150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 728538211 + ... + 728538226.

Almost surely, 2^11656611496 is an apocalyptic number.

It is an amenable number.

11656611496 is a deficient number, since it is larger than the sum of its proper divisors (10199535074).

11656611496 is a wasteful number, since it uses less digits than its factorization.

11656611496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457076443 (or 1457076439 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The spelling of 11656611496 in words is "eleven billion, six hundred fifty-six million, six hundred eleven thousand, four hundred ninety-six".