102530613516015 has 32 divisors (see below), whose sum is σ = 168626618320896. Its totient is φ = 53159639195520.

The previous prime is 102530613516007. The next prime is 102530613516017. The reversal of 102530613516015 is 510615316035201.

It is not a de Polignac number, because 102530613516015 - 2³ = 102530613516007 is a prime.

It is a super-2 number, since 2×102530613516015² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102530613516017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78231327 + ... + 79531136.

It is an arithmetic number, because the mean of its divisors is an integer number (5269581822528).

Almost surely, 2^{102530613516015} is an apocalyptic number.

102530613516015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102530613516015 is a deficient number, since it is larger than the sum of its proper divisors (66096004804881).

102530613516015 is a wasteful number, since it uses less digits than its factorization.

102530613516015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157763679.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 102530613516015 in words is "one hundred two trillion, five hundred thirty billion, six hundred thirteen million, five hundred sixteen thousand, fifteen".