13518585115497 has 240 divisors, whose sum is σ = 28148764723200. Its totient is φ = 6363757794240.

The previous prime is 13518585115493. The next prime is 13518585115547. The reversal of 13518585115497 is 79451158581531.

13518585115497 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 8 + 5 + 85 + 1 + 1 + 549 + 7 = 666.

It is not a de Polignac number, because 13518585115497 - 2² = 13518585115493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (13518585115493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 18724704 + ... + 19433262.

It is an arithmetic number, because the mean of its divisors is an integer number (117286519680).

Almost surely, 2^{13518585115497} is an apocalyptic number.

It is an amenable number.

13518585115497 is an abundant number, since it is smaller than the sum of its proper divisors (14630179607703).

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

13518585115497 is a wasteful number, since it uses less digits than its factorization.

13518585115497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708638 (or 708622 counting only the distinct ones).

The product of its digits is 30240000, while the sum is 63.

The spelling of 13518585115497 in words is "thirteen trillion, five hundred eighteen billion, five hundred eighty-five million, one hundred fifteen thousand, four hundred ninety-seven".