23516315415415 has 32 divisors (see below), whose sum is σ = 29993274682560. Its totient is φ = 17639043072000.

The previous prime is 23516315415407. The next prime is 23516315415421. The reversal of 23516315415415 is 51451451361532.

It is not a de Polignac number, because 23516315415415 - 2³ = 23516315415407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98501940 + ... + 98740390.

It is an arithmetic number, because the mean of its divisors is an integer number (937289833830).

Almost surely, 2^{23516315415415} is an apocalyptic number.

23516315415415 is a deficient number, since it is larger than the sum of its proper divisors (6476959267145).

23516315415415 is a wasteful number, since it uses less digits than its factorization.

23516315415415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242883.

The product of its digits is 1080000, while the sum is 46.

Adding to 23516315415415 its reverse (51451451361532), we get a palindrome (74967766776947).

The spelling of 23516315415415 in words is "twenty-three trillion, five hundred sixteen billion, three hundred fifteen million, four hundred fifteen thousand, four hundred fifteen".