13915405553 has 8 divisors (see below), whose sum is σ = 15929786880. Its totient is φ = 11907640800.

The previous prime is 13915405549. The next prime is 13915405561. The reversal of 13915405553 is 35550451931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13915405553 - 2² = 13915405549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13915405553.

It is not an unprimeable number, because it can be changed into a prime (13915405523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649633 + ... + 1658046.

It is an arithmetic number, because the mean of its divisors is an integer number (1991223360).

Almost surely, 2^13915405553 is an apocalyptic number.

It is an amenable number.

13915405553 is a deficient number, since it is larger than the sum of its proper divisors (2014381327).

13915405553 is an equidigital number, since it uses as much as digits as its factorization.

13915405553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308287.

The product of its (nonzero) digits is 202500, while the sum is 41.

The spelling of 13915405553 in words is "thirteen billion, nine hundred fifteen million, four hundred five thousand, five hundred fifty-three".