13251005541 has 12 divisors (see below), whose sum is σ = 19849243232. Its totient is φ = 8834003532.

The previous prime is 13251005533. The next prime is 13251005549. The reversal of 13251005541 is 14550015231.

13251005541 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 100 + 554 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (13251005533) and next prime (13251005549).

It is not a de Polignac number, because 13251005541 - 2³ = 13251005533 is a prime.

It is a super-2 number, since 2×13251005541² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251005549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27265201 + ... + 27265686.

Almost surely, 2^13251005541 is an apocalyptic number.

It is an amenable number.

13251005541 is a deficient number, since it is larger than the sum of its proper divisors (6598237691).

13251005541 is an frugal number, since it uses more digits than its factorization.

13251005541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54530902 (or 54530890 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 13251005541 in words is "thirteen billion, two hundred fifty-one million, five thousand, five hundred forty-one".