23515155002 has 16 divisors (see below), whose sum is σ = 35381223360. Its totient is φ = 11721458112.

The previous prime is 23515154969. The next prime is 23515155011. The reversal of 23515155002 is 20055151532.

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 7 ways as a sum of consecutive naturals, for example, 1144274 + ... + 1164642.

It is an arithmetic number, because the mean of its divisors is an integer number (2211326460).

Almost surely, 2^23515155002 is an apocalyptic number.

23515155002 is a deficient number, since it is larger than the sum of its proper divisors (11866068358).

23515155002 is a wasteful number, since it uses less digits than its factorization.

23515155002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22117.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 23515155002 in words is "twenty-three billion, five hundred fifteen million, one hundred fifty-five thousand, two".