13452365556 has 72 divisors (see below), whose sum is σ = 40116038144. Its totient is φ = 3719545920.

The previous prime is 13452365551. The next prime is 13452365561. The reversal of 13452365556 is 65556325431.

13452365556 is a `hidden beast` number, since 1 + 34 + 5 + 2 + 3 + 65 + 556 = 666.

It is an interprime number because it is at equal distance from previous prime (13452365551) and next prime (13452365561).

It is a super-2 number, since 2×13452365556² (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 (13452365551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853195 + ... + 868818.

Almost surely, 2^13452365556 is an apocalyptic number.

It is an amenable number.

13452365556 is an abundant number, since it is smaller than the sum of its proper divisors (26663672588).

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

13452365556 is a wasteful number, since it uses less digits than its factorization.

13452365556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722061 (or 1722056 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 13452365556 in words is "thirteen billion, four hundred fifty-two million, three hundred sixty-five thousand, five hundred fifty-six".