25510500552 has 32 divisors (see below), whose sum is σ = 64128617280. Its totient is φ = 8456518080.

The previous prime is 25510500539. The next prime is 25510500553. The reversal of 25510500552 is 25500501552.

It is not an unprimeable number, because it can be changed into a prime (25510500553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2931948 + ... + 2940635.

It is an arithmetic number, because the mean of its divisors is an integer number (2004019290).

Almost surely, 2^25510500552 is an apocalyptic number.

It is an amenable number.

25510500552 is an abundant number, since it is smaller than the sum of its proper divisors (38618116728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25510500552 is a wasteful number, since it uses less digits than its factorization.

25510500552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872773 (or 5872769 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 25510500552 in words is "twenty-five billion, five hundred ten million, five hundred thousand, five hundred fifty-two".