25620116324 has 24 divisors (see below), whose sum is σ = 49181373696. Its totient is φ = 11581164000.

The previous prime is 25620116311. The next prime is 25620116371. The reversal of 25620116324 is 42361102652.

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, 1600532 + ... + 1616459.

It is an arithmetic number, because the mean of its divisors is an integer number (2049223904).

Almost surely, 2^25620116324 is an apocalyptic number.

It is an amenable number.

25620116324 is a deficient number, since it is larger than the sum of its proper divisors (23561257372).

25620116324 is a wasteful number, since it uses less digits than its factorization.

25620116324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217187 (or 3217185 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 25620116324 its reverse (42361102652), we get a palindrome (67981218976).

The spelling of 25620116324 in words is "twenty-five billion, six hundred twenty million, one hundred sixteen thousand, three hundred twenty-four".