23025551555 has 12 divisors (see below), whose sum is σ = 27689845872. Its totient is φ = 18381069360.

The previous prime is 23025551543. The next prime is 23025551567. The reversal of 23025551555 is 55515552032.

It is an interprime number because it is at equal distance from previous prime (23025551543) and next prime (23025551567).

It is not a de Polignac number, because 23025551555 - 2⁶ = 23025551491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1137170 + ... + 1157240.

It is an arithmetic number, because the mean of its divisors is an integer number (2307487156).

Almost surely, 2^23025551555 is an apocalyptic number.

23025551555 is a deficient number, since it is larger than the sum of its proper divisors (4664294317).

23025551555 is an frugal number, since it uses more digits than its factorization.

23025551555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034 (or 20555 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 23025551555 in words is "twenty-three billion, twenty-five million, five hundred fifty-one thousand, five hundred fifty-five".