13255004515 has 16 divisors (see below), whose sum is σ = 16102540800. Its totient is φ = 10473244672.

The previous prime is 13255004491. The next prime is 13255004527. The reversal of 13255004515 is 51540055231.

It is a cyclic number.

It is not a de Polignac number, because 13255004515 - 2²⁵ = 13221450083 is a prime.

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, 397374 + ... + 429436.

It is an arithmetic number, because the mean of its divisors is an integer number (1006408800).

Almost surely, 2^13255004515 is an apocalyptic number.

13255004515 is a deficient number, since it is larger than the sum of its proper divisors (2847536285).

13255004515 is an equidigital number, since it uses as much as digits as its factorization.

13255004515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33086.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 13255004515 its reverse (51540055231), we get a palindrome (64795059746).

The spelling of 13255004515 in words is "thirteen billion, two hundred fifty-five million, four thousand, five hundred fifteen".