25913184807472 has 40 divisors (see below), whose sum is σ = 50317662320640. Its totient is φ = 12927984336960.

The previous prime is 25913184807371. The next prime is 25913184807473. The reversal of 25913184807472 is 27470848131952.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25913184807472.

It is not an unprimeable number, because it can be changed into a prime (25913184807473) 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, 179045697 + ... + 179190367.

It is an arithmetic number, because the mean of its divisors is an integer number (1257941558016).

Almost surely, 2^{25913184807472} is an apocalyptic number.

It is an amenable number.

25913184807472 is a deficient number, since it is larger than the sum of its proper divisors (24404477513168).

25913184807472 is a wasteful number, since it uses less digits than its factorization.

25913184807472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169321 (or 169315 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 61.

The spelling of 25913184807472 in words is "twenty-five trillion, nine hundred thirteen billion, one hundred eighty-four million, eight hundred seven thousand, four hundred seventy-two".