25315065064980 has 54 divisors (see below), whose sum is σ = 76789235458026. Its totient is φ = 6750666016416.

The previous prime is 25315065064957. The next prime is 25315065064999. The reversal of 25315065064980 is 8946056051352.

25315065064980 is a `hidden beast` number, since 2 + 5 + 3 + 1 + 50 + 6 + 506 + 4 + 9 + 80 = 666.

25315065064980 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., 20252052051984 + 5063013012996 = 4500228^2 + 2250114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67315911 + ... + 67690929.

Almost surely, 2^{25315065064980} is an apocalyptic number.

25315065064980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25315065064980 is an abundant number, since it is smaller than the sum of its proper divisors (51474170393046).

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

25315065064980 is an frugal number, since it uses more digits than its factorization.

25315065064980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750053 (or 375029 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 25315065064980 in words is "twenty-five trillion, three hundred fifteen billion, sixty-five million, sixty-four thousand, nine hundred eighty".