15161501015660 has 12 divisors (see below), whose sum is σ = 31839152132928. Its totient is φ = 6064600406256.

The previous prime is 15161501015627. The next prime is 15161501015693. The reversal of 15161501015660 is 6651010516151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (15161501015627) and next prime (15161501015693).

It is a super-2 number, since 2×15161501015660² (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 3 ways as a sum of consecutive naturals, for example, 379037525372 + ... + 379037525411.

It is an arithmetic number, because the mean of its divisors is an integer number (2653262677744).

Almost surely, 2^{15161501015660} is an apocalyptic number.

15161501015660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15161501015660 is an abundant number, since it is smaller than the sum of its proper divisors (16677651117268).

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

15161501015660 is a wasteful number, since it uses less digits than its factorization.

15161501015660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758075050792 (or 758075050790 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 15161501015660 in words is "fifteen trillion, one hundred sixty-one billion, five hundred one million, fifteen thousand, six hundred sixty".