25575748388 has 12 divisors (see below), whose sum is σ = 44758893312. Its totient is φ = 12787493160.

The previous prime is 25575748369. The next prime is 25575748397. The reversal of 25575748388 is 88384757552.

It is a self number, because there is not a number n which added to its sum of digits gives 25575748388.

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, 100433 + ... + 247463.

It is an arithmetic number, because the mean of its divisors is an integer number (3729907776).

Almost surely, 2^25575748388 is an apocalyptic number.

It is an amenable number.

25575748388 is a deficient number, since it is larger than the sum of its proper divisors (19183144924).

25575748388 is a wasteful number, since it uses less digits than its factorization.

25575748388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190522 (or 190520 counting only the distinct ones).

The product of its digits is 75264000, while the sum is 62.

The spelling of 25575748388 in words is "twenty-five billion, five hundred seventy-five million, seven hundred forty-eight thousand, three hundred eighty-eight".