13512442545 has 32 divisors (see below), whose sum is σ = 27453853440. Its totient is φ = 6177116160.

The previous prime is 13512442543. The next prime is 13512442547. The reversal of 13512442545 is 54524421531.

13512442545 is a `hidden beast` number, since 1 + 3 + 51 + 24 + 42 + 545 = 666.

It is an interprime number because it is at equal distance from previous prime (13512442543) and next prime (13512442547).

It is not a de Polignac number, because 13512442545 - 2¹ = 13512442543 is a prime.

It is a super-2 number, since 2×13512442545² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13512442543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7148496 + ... + 7150385.

It is an arithmetic number, because the mean of its divisors is an integer number (857932920).

Almost surely, 2^13512442545 is an apocalyptic number.

13512442545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13512442545 is an abundant number, since it is smaller than the sum of its proper divisors (13941410895).

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

13512442545 is a wasteful number, since it uses less digits than its factorization.

13512442545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298902 (or 14298896 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 13512442545 in words is "thirteen billion, five hundred twelve million, four hundred forty-two thousand, five hundred forty-five".