11987599964528 has 10 divisors (see below), whose sum is σ = 23225974931304. Its totient is φ = 5993799982256.

The previous prime is 11987599964507. The next prime is 11987599964657. The reversal of 11987599964528 is 82546999578911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374612498876 + ... + 374612498907.

Almost surely, 2^{11987599964528} is an apocalyptic number.

It is an amenable number.

11987599964528 is a deficient number, since it is larger than the sum of its proper divisors (11238374966776).

11987599964528 is an equidigital number, since it uses as much as digits as its factorization.

11987599964528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749224997791 (or 749224997785 counting only the distinct ones).

The product of its digits is 3527193600, while the sum is 83.

The spelling of 11987599964528 in words is "eleven trillion, nine hundred eighty-seven billion, five hundred ninety-nine million, nine hundred sixty-four thousand, five hundred twenty-eight".