25380559552 has 28 divisors (see below), whose sum is σ = 50382872056. Its totient is φ = 12685662720.

The previous prime is 25380559549. The next prime is 25380559573. The reversal of 25380559552 is 25595508352.

It is a junction number, because it is equal to n+sod(n) for n = 25380559496 and 25380559505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108652 + ... + 250132.

Almost surely, 2^25380559552 is an apocalyptic number.

It is an amenable number.

25380559552 is a deficient number, since it is larger than the sum of its proper divisors (25002312504).

25380559552 is a wasteful number, since it uses less digits than its factorization.

25380559552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144296 (or 144286 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 25380559552 in words is "twenty-five billion, three hundred eighty million, five hundred fifty-nine thousand, five hundred fifty-two".