23115553155 has 96 divisors (see below), whose sum is σ = 41964848640. Its totient is φ = 11757312000.

The previous prime is 23115553063. The next prime is 23115553187. The reversal of 23115553155 is 55135551132.

23115553155 is a `hidden beast` number, since 2 + 3 + 115 + 5 + 531 + 5 + 5 = 666.

It is not a de Polignac number, because 23115553155 - 2¹⁸ = 23115291011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42727185 + ... + 42727725.

It is an arithmetic number, because the mean of its divisors is an integer number (437133840).

Almost surely, 2^23115553155 is an apocalyptic number.

23115553155 is a deficient number, since it is larger than the sum of its proper divisors (18849295485).

23115553155 is a wasteful number, since it uses less digits than its factorization.

23115553155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 970 counting only the distinct ones).

The product of its digits is 56250, while the sum is 36.

The spelling of 23115553155 in words is "twenty-three billion, one hundred fifteen million, five hundred fifty-three thousand, one hundred fifty-five".