130715023815 has 48 divisors (see below), whose sum is σ = 239272330752. Its totient is φ = 65880146112.

The previous prime is 130715023807. The next prime is 130715023819. The reversal of 130715023815 is 518320517031.

It is a happy number.

130715023815 is a `hidden beast` number, since 1 + 3 + 0 + 71 + 502 + 3 + 81 + 5 = 666.

It is not a de Polignac number, because 130715023815 - 2³ = 130715023807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130715023815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130715023819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 674907 + ... + 846716.

It is an arithmetic number, because the mean of its divisors is an integer number (4984840224).

Almost surely, 2^130715023815 is an apocalyptic number.

130715023815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130715023815 is a deficient number, since it is larger than the sum of its proper divisors (108557306937).

130715023815 is a wasteful number, since it uses less digits than its factorization.

130715023815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521740 (or 1521737 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 130715023815 in words is "one hundred thirty billion, seven hundred fifteen million, twenty-three thousand, eight hundred fifteen".