25213189588 has 12 divisors (see below), whose sum is σ = 44124194772. Its totient is φ = 12606276800.

The previous prime is 25213189531. The next prime is 25213189613. The reversal of 25213189588 is 88598131252.

It can be written as a sum of positive squares in 2 ways, for example, as 11134892484 + 14078297104 = 105522^2 + 118652^2 .

It is a congruent number.

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, 259806 + ... + 343402.

It is an arithmetic number, because the mean of its divisors is an integer number (3677016231).

Almost surely, 2^25213189588 is an apocalyptic number.

It is an amenable number.

25213189588 is a deficient number, since it is larger than the sum of its proper divisors (18911005184).

25213189588 is a wasteful number, since it uses less digits than its factorization.

25213189588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159002 (or 159000 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 52.

The spelling of 25213189588 in words is "twenty-five billion, two hundred thirteen million, one hundred eighty-nine thousand, five hundred eighty-eight".