25315553030 has 32 divisors (see below), whose sum is σ = 46364832000. Its totient is φ = 9949328352.

The previous prime is 25315553023. The next prime is 25315553057. The reversal of 25315553030 is 3035551352.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1218671 + ... + 1239269.

It is an arithmetic number, because the mean of its divisors is an integer number (1448901000).

Almost surely, 2^25315553030 is an apocalyptic number.

25315553030 is a deficient number, since it is larger than the sum of its proper divisors (21049278970).

25315553030 is a wasteful number, since it uses less digits than its factorization.

25315553030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 25315553030 in words is "twenty-five billion, three hundred fifteen million, five hundred fifty-three thousand, thirty".