23153555511 has 16 divisors (see below), whose sum is σ = 34425407200. Its totient is φ = 15379974144.

The previous prime is 23153555443. The next prime is 23153555561. The reversal of 23153555511 is 11555535132.

23153555511 is a `hidden beast` number, since 2 + 3 + 1 + 53 + 55 + 551 + 1 = 666.

It is not a de Polignac number, because 23153555511 - 2¹⁷ = 23153424439 is a prime.

It is a super-2 number, since 2×23153555511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153555561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1540426 + ... + 1555383.

It is an arithmetic number, because the mean of its divisors is an integer number (2151587950).

Almost surely, 2^23153555511 is an apocalyptic number.

23153555511 is a deficient number, since it is larger than the sum of its proper divisors (11271851689).

23153555511 is a wasteful number, since it uses less digits than its factorization.

23153555511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096095 (or 3096089 counting only the distinct ones).

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

The spelling of 23153555511 in words is "twenty-three billion, one hundred fifty-three million, five hundred fifty-five thousand, five hundred eleven".