11934618657 has 16 divisors (see below), whose sum is σ = 17600049600. Its totient is φ = 7145883072.

The previous prime is 11934618623. The next prime is 11934618659. The reversal of 11934618657 is 75681643911.

It is a happy number.

11934618657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11934618657 - 2⁷ = 11934618529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11934618659) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4133907 + ... + 4136792.

It is an arithmetic number, because the mean of its divisors is an integer number (1100003100).

Almost surely, 2^11934618657 is an apocalyptic number.

It is an amenable number.

11934618657 is a deficient number, since it is larger than the sum of its proper divisors (5665430943).

11934618657 is a wasteful number, since it uses less digits than its factorization.

11934618657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270752.

The product of its digits is 1088640, while the sum is 51.

The spelling of 11934618657 in words is "eleven billion, nine hundred thirty-four million, six hundred eighteen thousand, six hundred fifty-seven".