11657442794 has 32 divisors (see below), whose sum is σ = 18403398720. Its totient is φ = 5530678272.

The previous prime is 11657442757. The next prime is 11657442809. The reversal of 11657442794 is 49724475611.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922829 + ... + 935375.

It is an arithmetic number, because the mean of its divisors is an integer number (575106210).

Almost surely, 2^11657442794 is an apocalyptic number.

11657442794 is a deficient number, since it is larger than the sum of its proper divisors (6745955926).

11657442794 is a wasteful number, since it uses less digits than its factorization.

11657442794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12854.

The product of its digits is 1693440, while the sum is 50.

The spelling of 11657442794 in words is "eleven billion, six hundred fifty-seven million, four hundred forty-two thousand, seven hundred ninety-four".