23151562555 has 32 divisors (see below), whose sum is σ = 30909973248. Its totient is φ = 16503427200.

The previous prime is 23151562549. The next prime is 23151562573. The reversal of 23151562555 is 55526515132.

It is not a de Polignac number, because 23151562555 - 2¹⁵ = 23151529787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3456760 + ... + 3463450.

It is an arithmetic number, because the mean of its divisors is an integer number (965936664).

Almost surely, 2^23151562555 is an apocalyptic number.

23151562555 is a deficient number, since it is larger than the sum of its proper divisors (7758410693).

23151562555 is a wasteful number, since it uses less digits than its factorization.

23151562555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947.

The product of its digits is 225000, while the sum is 40.

The spelling of 23151562555 in words is "twenty-three billion, one hundred fifty-one million, five hundred sixty-two thousand, five hundred fifty-five".