11515246172664 has 64 divisors (see below), whose sum is σ = 31004728688640. Its totient is φ = 3542907772800.

The previous prime is 11515246172539. The next prime is 11515246172701. The reversal of 11515246172664 is 46627164251511.

It is a congruent number.

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, 3271689 + ... + 5808135.

It is an arithmetic number, because the mean of its divisors is an integer number (484448885760).

Almost surely, 2^{11515246172664} is an apocalyptic number.

It is an amenable number.

11515246172664 is an abundant number, since it is smaller than the sum of its proper divisors (19489482515976).

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

11515246172664 is a wasteful number, since it uses less digits than its factorization.

11515246172664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551020 (or 2551016 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 11515246172664 in words is "eleven trillion, five hundred fifteen billion, two hundred forty-six million, one hundred seventy-two thousand, six hundred sixty-four".