815017101960 has 64 divisors (see below), whose sum is σ = 2460051679680. Its totient is φ = 216004527360.

The previous prime is 815017101931. The next prime is 815017101989. The reversal of 815017101960 is 69101710518.

It is an interprime number because it is at equal distance from previous prime (815017101931) and next prime (815017101989).

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, 20814211 + ... + 20853330.

It is an arithmetic number, because the mean of its divisors is an integer number (38438307495).

Almost surely, 2^815017101960 is an apocalyptic number.

It is an amenable number.

815017101960 is an abundant number, since it is smaller than the sum of its proper divisors (1645034577720).

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

815017101960 is a wasteful number, since it uses less digits than its factorization.

815017101960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41667718 (or 41667714 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 39.

The spelling of 815017101960 in words is "eight hundred fifteen billion, seventeen million, one hundred one thousand, nine hundred sixty".