23115252004515 has 192 divisors, whose sum is σ = 45388724958720. Its totient is φ = 10785263892480.

The previous prime is 23115252004417. The next prime is 23115252004547. The reversal of 23115252004515 is 51540025251132.

23115252004515 is a `hidden beast` number, since 2 + 3 + 1 + 152 + 52 + 0 + 0 + 451 + 5 = 666.

It is not a de Polignac number, because 23115252004515 - 2¹⁰ = 23115252003491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23115252004515.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 536083737 + ... + 536126853.

It is an arithmetic number, because the mean of its divisors is an integer number (236399609160).

Almost surely, 2^{23115252004515} is an apocalyptic number.

23115252004515 is a deficient number, since it is larger than the sum of its proper divisors (22273472954205).

23115252004515 is a wasteful number, since it uses less digits than its factorization.

23115252004515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43554 (or 43551 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 23115252004515 its reverse (51540025251132), we get a palindrome (74655277255647).

The spelling of 23115252004515 in words is "twenty-three trillion, one hundred fifteen billion, two hundred fifty-two million, four thousand, five hundred fifteen".