2313520121615 has 16 divisors (see below), whose sum is σ = 2809755648000. Its totient is φ = 1828463080992.

The previous prime is 2313520121587. The next prime is 2313520121629. The reversal of 2313520121615 is 5161210253132.

It is a cyclic number.

It is not a de Polignac number, because 2313520121615 - 2⁸ = 2313520121359 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19695026 + ... + 19812144.

It is an arithmetic number, because the mean of its divisors is an integer number (175609728000).

Almost surely, 2^{2313520121615} is an apocalyptic number.

2313520121615 is a deficient number, since it is larger than the sum of its proper divisors (496235526385).

2313520121615 is a wasteful number, since it uses less digits than its factorization.

2313520121615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164806.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 2313520121615 its reverse (5161210253132), we get a palindrome (7474730374747).

The spelling of 2313520121615 in words is "two trillion, three hundred thirteen billion, five hundred twenty million, one hundred twenty-one thousand, six hundred fifteen".