23525505555 has 32 divisors (see below), whose sum is σ = 37836564480. Its totient is φ = 12481785600.

The previous prime is 23525505517. The next prime is 23525505581. The reversal of 23525505555 is 55550552532.

It is a happy number.

It is not a de Polignac number, because 23525505555 - 2⁸ = 23525505299 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 5068926 + ... + 5073564.

It is an arithmetic number, because the mean of its divisors is an integer number (1182392640).

Almost surely, 2^23525505555 is an apocalyptic number.

23525505555 is a deficient number, since it is larger than the sum of its proper divisors (14311058925).

23525505555 is a wasteful number, since it uses less digits than its factorization.

23525505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6331.

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 23525505555 in words is "twenty-three billion, five hundred twenty-five million, five hundred five thousand, five hundred fifty-five".