25554025004 has 24 divisors (see below), whose sum is σ = 46364724000. Its totient is φ = 12308925440.

The previous prime is 25554024989. The next prime is 25554025043. The reversal of 25554025004 is 40052045552.

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 7 ways as a sum of consecutive naturals, for example, 193232 + ... + 297399.

It is an arithmetic number, because the mean of its divisors is an integer number (1931863500).

Almost surely, 2^25554025004 is an apocalyptic number.

It is an amenable number.

25554025004 is a deficient number, since it is larger than the sum of its proper divisors (20810698996).

25554025004 is a wasteful number, since it uses less digits than its factorization.

25554025004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491113 (or 491111 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 25554025004 in words is "twenty-five billion, five hundred fifty-four million, twenty-five thousand, four".