25133261304 has 32 divisors (see below), whose sum is σ = 62837954640. Its totient is φ = 8377113600.

The previous prime is 25133261303. The next prime is 25133261317. The reversal of 25133261304 is 40316233152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25133261303) 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, 363774 + ... + 427314.

Almost surely, 2^25133261304 is an apocalyptic number.

25133261304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25133261304 is an abundant number, since it is smaller than the sum of its proper divisors (37704693336).

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

25133261304 is a wasteful number, since it uses less digits than its factorization.

25133261304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80031 (or 80027 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 25133261304 its reverse (40316233152), we get a palindrome (65449494456).

The spelling of 25133261304 in words is "twenty-five billion, one hundred thirty-three million, two hundred sixty-one thousand, three hundred four".