13502540099 has 12 divisors (see below), whose sum is σ = 13999283376. Its totient is φ = 13022875488.

The previous prime is 13502540081. The next prime is 13502540111. The reversal of 13502540099 is 99004520531.

It is a de Polignac number, because none of the positive numbers 2^k-13502540099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13502540299) 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, 818537 + ... + 834869.

It is an arithmetic number, because the mean of its divisors is an integer number (1166606948).

Almost surely, 2^13502540099 is an apocalyptic number.

13502540099 is a deficient number, since it is larger than the sum of its proper divisors (496743277).

13502540099 is an equidigital number, since it uses as much as digits as its factorization.

13502540099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374 (or 17345 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 13502540099 in words is "thirteen billion, five hundred two million, five hundred forty thousand, ninety-nine".