13500198515 has 16 divisors (see below), whose sum is σ = 16698024288. Its totient is φ = 10471969536.

The previous prime is 13500198451. The next prime is 13500198533. The reversal of 13500198515 is 51589100531.

It is a cyclic number.

It is not a de Polignac number, because 13500198515 - 2⁶ = 13500198451 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, 199712 + ... + 258621.

It is an arithmetic number, because the mean of its divisors is an integer number (1043626518).

Almost surely, 2^13500198515 is an apocalyptic number.

13500198515 is a deficient number, since it is larger than the sum of its proper divisors (3197825773).

13500198515 is a wasteful number, since it uses less digits than its factorization.

13500198515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458518.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 13500198515 in words is "thirteen billion, five hundred million, one hundred ninety-eight thousand, five hundred fifteen".