11660656510715 has 16 divisors (see below), whose sum is σ = 14103196343040. Its totient is φ = 9255012294240.

The previous prime is 11660656510687. The next prime is 11660656510747. The reversal of 11660656510715 is 51701565606611.

It is a de Polignac number, because none of the positive numbers 2^k-11660656510715 is a prime.

It is a super-2 number, since 2×11660656510715² (a number of 27 digits) contains 22 as substring.

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, 4791821 + ... + 6803150.

It is an arithmetic number, because the mean of its divisors is an integer number (881449771440).

Almost surely, 2^{11660656510715} is an apocalyptic number.

11660656510715 is a deficient number, since it is larger than the sum of its proper divisors (2442539832325).

11660656510715 is a wasteful number, since it uses less digits than its factorization.

11660656510715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11596562.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 11660656510715 in words is "eleven trillion, six hundred sixty billion, six hundred fifty-six million, five hundred ten thousand, seven hundred fifteen".