11577979416 has 32 divisors (see below), whose sum is σ = 29039250240. Its totient is φ = 3846752928.

The previous prime is 11577979339. The next prime is 11577979429. The reversal of 11577979416 is 61497977511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778326 + ... + 793061.

It is an arithmetic number, because the mean of its divisors is an integer number (907476570).

Almost surely, 2^11577979416 is an apocalyptic number.

It is an amenable number.

11577979416 is an abundant number, since it is smaller than the sum of its proper divisors (17461270824).

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

11577979416 is a wasteful number, since it uses less digits than its factorization.

11577979416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571703 (or 1571699 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 57.

The spelling of 11577979416 in words is "eleven billion, five hundred seventy-seven million, nine hundred seventy-nine thousand, four hundred sixteen".