13625755902 has 128 divisors (see below), whose sum is σ = 33765880320. Its totient is φ = 4037829120.

The previous prime is 13625755889. The next prime is 13625755907. The reversal of 13625755902 is 20955752631.

13625755902 is a `hidden beast` number, since 1 + 3 + 6 + 2 + 57 + 5 + 590 + 2 = 666.

It is a super-2 number, since 2×13625755902² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13625755907) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13946038 + ... + 13947014.

It is an arithmetic number, because the mean of its divisors is an integer number (263795940).

Almost surely, 2^13625755902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13625755902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16882940160).

13625755902 is an abundant number, since it is smaller than the sum of its proper divisors (20140124418).

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

13625755902 is a wasteful number, since it uses less digits than its factorization.

13625755902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 13625755902 in words is "thirteen billion, six hundred twenty-five million, seven hundred fifty-five thousand, nine hundred two".