25275555328 has 20 divisors (see below), whose sum is σ = 50501745360. Its totient is φ = 12637777408.

The previous prime is 25275555313. The next prime is 25275555373. The reversal of 25275555328 is 82355557252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24682648 + ... + 24683671.

It is an arithmetic number, because the mean of its divisors is an integer number (2525087268).

Almost surely, 2^25275555328 is an apocalyptic number.

It is an amenable number.

25275555328 is a deficient number, since it is larger than the sum of its proper divisors (25226190032).

25275555328 is an frugal number, since it uses more digits than its factorization.

25275555328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49366337 (or 49366321 counting only the distinct ones).

The product of its digits is 4200000, while the sum is 49.

The spelling of 25275555328 in words is "twenty-five billion, two hundred seventy-five million, five hundred fifty-five thousand, three hundred twenty-eight".