13215553407 has 32 divisors (see below), whose sum is σ = 22426191360. Its totient is φ = 7534650240.

The previous prime is 13215553399. The next prime is 13215553409. The reversal of 13215553407 is 70435551231.

It is not a de Polignac number, because 13215553407 - 2³ = 13215553399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215553409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4807 + ... + 162647.

It is an arithmetic number, because the mean of its divisors is an integer number (700818480).

Almost surely, 2^13215553407 is an apocalyptic number.

13215553407 is a deficient number, since it is larger than the sum of its proper divisors (9210637953).

13215553407 is a wasteful number, since it uses less digits than its factorization.

13215553407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158300 (or 158294 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 13215553407 in words is "thirteen billion, two hundred fifteen million, five hundred fifty-three thousand, four hundred seven".