25607451374660 has 12 divisors (see below), whose sum is σ = 53775647886828. Its totient is φ = 10242980549856.

The previous prime is 25607451374653. The next prime is 25607451374669. The reversal of 25607451374660 is 6647315470652.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2594496233536 + 23012955141124 = 1610744^2 + 4797182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25607451374596 and 25607451374605.

It is not an unprimeable number, because it can be changed into a prime (25607451374669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640186284347 + ... + 640186284386.

It is an arithmetic number, because the mean of its divisors is an integer number (4481303990569).

Almost surely, 2^{25607451374660} is an apocalyptic number.

25607451374660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25607451374660 is an abundant number, since it is smaller than the sum of its proper divisors (28168196512168).

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

25607451374660 is a wasteful number, since it uses less digits than its factorization.

25607451374660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280372568742 (or 1280372568740 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 25607451374660 in words is "twenty-five trillion, six hundred seven billion, four hundred fifty-one million, three hundred seventy-four thousand, six hundred sixty".