13500402115 has 16 divisors (see below), whose sum is σ = 16908530688. Its totient is φ = 10328494176.

The previous prime is 13500402043. The next prime is 13500402199. The reversal of 13500402115 is 51120400531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13500402115 - 2¹⁹ = 13499877827 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681034 + ... + 700576.

It is an arithmetic number, because the mean of its divisors is an integer number (1056783168).

Almost surely, 2^13500402115 is an apocalyptic number.

13500402115 is a deficient number, since it is larger than the sum of its proper divisors (3408128573).

13500402115 is a wasteful number, since it uses less digits than its factorization.

13500402115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25578.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 13500402115 its reverse (51120400531), we get a palindrome (64620802646).

The spelling of 13500402115 in words is "thirteen billion, five hundred million, four hundred two thousand, one hundred fifteen".