47317915015 has 32 divisors (see below), whose sum is σ = 66277785600. Its totient is φ = 32417028000.

The previous prime is 47317914947. The next prime is 47317915027. The reversal of 47317915015 is 51051971374.

It is a de Polignac number, because none of the positive numbers 2^k-47317915015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1961980 + ... + 1985950.

It is an arithmetic number, because the mean of its divisors is an integer number (2071180800).

Almost surely, 2^47317915015 is an apocalyptic number.

47317915015 is a deficient number, since it is larger than the sum of its proper divisors (18959870585).

47317915015 is a wasteful number, since it uses less digits than its factorization.

47317915015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25148 (or 25134 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 47317915015 in words is "forty-seven billion, three hundred seventeen million, nine hundred fifteen thousand, fifteen".