25055252548 has 12 divisors (see below), whose sum is σ = 43855178220. Its totient is φ = 12525201632.

The previous prime is 25055252539. The next prime is 25055252567. The reversal of 25055252548 is 84525255052.

It can be written as a sum of positive squares in 2 ways, for example, as 19732382784 + 5322869764 = 140472^2 + 72958^2 .

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, 582811 + ... + 624322.

It is an arithmetic number, because the mean of its divisors is an integer number (3654598185).

Almost surely, 2^25055252548 is an apocalyptic number.

It is an amenable number.

25055252548 is a deficient number, since it is larger than the sum of its proper divisors (18799925672).

25055252548 is a wasteful number, since it uses less digits than its factorization.

25055252548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212326 (or 1212324 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 25055252548 in words is "twenty-five billion, fifty-five million, two hundred fifty-two thousand, five hundred forty-eight".