23925554190855 has 24 divisors (see below), whose sum is σ = 41648947571088. Its totient is φ = 12705530345856.

The previous prime is 23925554190851. The next prime is 23925554190913. The reversal of 23925554190855 is 55809145552932.

23925554190855 is a `hidden beast` number, since 2 + 3 + 9 + 2 + 5 + 5 + 541 + 9 + 0 + 85 + 5 = 666.

It is not a de Polignac number, because 23925554190855 - 2² = 23925554190851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23925554190792 and 23925554190801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23925554190851) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1140931537 + ... + 1140952506.

It is an arithmetic number, because the mean of its divisors is an integer number (1735372815462).

Almost surely, 2^{23925554190855} is an apocalyptic number.

23925554190855 is a deficient number, since it is larger than the sum of its proper divisors (17723393380233).

23925554190855 is a wasteful number, since it uses less digits than its factorization.

23925554190855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281884287 (or 2281884284 counting only the distinct ones).

The product of its (nonzero) digits is 97200000, while the sum is 63.

The spelling of 23925554190855 in words is "twenty-three trillion, nine hundred twenty-five billion, five hundred fifty-four million, one hundred ninety thousand, eight hundred fifty-five".