25130560720 has 40 divisors (see below), whose sum is σ = 59132527776. Its totient is φ = 9931110528.

The previous prime is 25130560681. The next prime is 25130560751. The reversal of 25130560720 is 2706503152.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1885722 + ... + 1899001.

Almost surely, 2^25130560720 is an apocalyptic number.

25130560720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25130560720 is an abundant number, since it is smaller than the sum of its proper divisors (34001967056).

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

25130560720 is a wasteful number, since it uses less digits than its factorization.

25130560720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784819 (or 3784813 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 25130560720 in words is "twenty-five billion, one hundred thirty million, five hundred sixty thousand, seven hundred twenty".