25612103660 has 48 divisors (see below), whose sum is σ = 63188469792. Its totient is φ = 8597068800.

The previous prime is 25612103633. The next prime is 25612103663. The reversal of 25612103660 is 6630121652.

It is not an unprimeable number, because it can be changed into a prime (25612103663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4474781 + ... + 4480500.

It is an arithmetic number, because the mean of its divisors is an integer number (1316426454).

Almost surely, 2^25612103660 is an apocalyptic number.

25612103660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25612103660 is an abundant number, since it is smaller than the sum of its proper divisors (37576366132).

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

25612103660 is a wasteful number, since it uses less digits than its factorization.

25612103660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955314 (or 8955312 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 25612103660 in words is "twenty-five billion, six hundred twelve million, one hundred three thousand, six hundred sixty".