11969758793564 has 96 divisors (see below), whose sum is σ = 25286951402496. Its totient is φ = 4885261735680.

The previous prime is 11969758793519. The next prime is 11969758793653. The reversal of 11969758793564 is 46539785796911.

It is a super-2 number, since 2×11969758793564² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3016334 + ... + 5747850.

It is an arithmetic number, because the mean of its divisors is an integer number (263405743776).

Almost surely, 2^{11969758793564} is an apocalyptic number.

It is an amenable number.

11969758793564 is an abundant number, since it is smaller than the sum of its proper divisors (13317192608932).

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

11969758793564 is a wasteful number, since it uses less digits than its factorization.

11969758793564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731755 (or 2731753 counting only the distinct ones).

The product of its digits is 3086294400, while the sum is 80.

The spelling of 11969758793564 in words is "eleven trillion, nine hundred sixty-nine billion, seven hundred fifty-eight million, seven hundred ninety-three thousand, five hundred sixty-four".