25255025552 has 20 divisors (see below), whose sum is σ = 48936702300. Its totient is φ = 12626199168.

The previous prime is 25255025527. The next prime is 25255025561. The reversal of 25255025552 is 25552055252.

It can be written as a sum of positive squares in 2 ways, for example, as 14281206016 + 10973819536 = 119504^2 + 104756^2 .

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, 87074 + ... + 241022.

It is an arithmetic number, because the mean of its divisors is an integer number (2446835115).

Almost surely, 2^25255025552 is an apocalyptic number.

It is an amenable number.

25255025552 is a deficient number, since it is larger than the sum of its proper divisors (23681676748).

25255025552 is a wasteful number, since it uses less digits than its factorization.

25255025552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164210 (or 164204 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 38.

The spelling of 25255025552 in words is "twenty-five billion, two hundred fifty-five million, twenty-five thousand, five hundred fifty-two".