11953579794 has 32 divisors (see below), whose sum is σ = 25830087360. Its totient is φ = 3666036672.

The previous prime is 11953579789. The next prime is 11953579811. The reversal of 11953579794 is 49797535911.

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, 225649 + ... + 273540.

It is an arithmetic number, because the mean of its divisors is an integer number (807190230).

Almost surely, 2^11953579794 is an apocalyptic number.

11953579794 is an abundant number, since it is smaller than the sum of its proper divisors (13876507566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11953579794 is a wasteful number, since it uses less digits than its factorization.

11953579794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499514.

The product of its digits is 10716300, while the sum is 60.

The spelling of 11953579794 in words is "eleven billion, nine hundred fifty-three million, five hundred seventy-nine thousand, seven hundred ninety-four".