11726487115864 has 8 divisors (see below), whose sum is σ = 21987163342260. Its totient is φ = 5863243557928.

The previous prime is 11726487115859. The next prime is 11726487115897. The reversal of 11726487115864 is 46851178462711.

It is a tau number, because it is divible by the number of its divisors (8).

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, 732905444734 + ... + 732905444749.

Almost surely, 2^{11726487115864} is an apocalyptic number.

It is an amenable number.

11726487115864 is a deficient number, since it is larger than the sum of its proper divisors (10260676226396).

11726487115864 is a wasteful number, since it uses less digits than its factorization.

11726487115864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465810889489 (or 1465810889485 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 61.

The spelling of 11726487115864 in words is "eleven trillion, seven hundred twenty-six billion, four hundred eighty-seven million, one hundred fifteen thousand, eight hundred sixty-four".