25913155439232 has 48 divisors (see below), whose sum is σ = 74567804066730. Its totient is φ = 8637718479360.

The previous prime is 25913155439191. The next prime is 25913155439419. The reversal of 25913155439232 is 23293455131952.

25913155439232 is a `hidden beast` number, since 2 + 5 + 9 + 1 + 3 + 1 + 5 + 543 + 92 + 3 + 2 = 666.

25913155439232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 25363149281856 + 550006157376 = 5036184^2 + 741624^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11247028119 + ... + 11247030422.

Almost surely, 2^{25913155439232} is an apocalyptic number.

It is an amenable number.

25913155439232 is an abundant number, since it is smaller than the sum of its proper divisors (48654648627498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25913155439232 is a wasteful number, since it uses less digits than its factorization.

25913155439232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22494058561 (or 22494058546 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 54.

The spelling of 25913155439232 in words is "twenty-five trillion, nine hundred thirteen billion, one hundred fifty-five million, four hundred thirty-nine thousand, two hundred thirty-two".