13455590855 has 12 divisors (see below), whose sum is σ = 18782906760. Its totient is φ = 9226690704.

The previous prime is 13455590851. The next prime is 13455590891. The reversal of 13455590855 is 55809555431.

It is not a de Polignac number, because 13455590855 - 2² = 13455590851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455590851) 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, 27460145 + ... + 27460634.

It is an arithmetic number, because the mean of its divisors is an integer number (1565242230).

Almost surely, 2^13455590855 is an apocalyptic number.

13455590855 is a deficient number, since it is larger than the sum of its proper divisors (5327315905).

13455590855 is an equidigital number, since it uses as much as digits as its factorization.

13455590855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54920798 (or 54920791 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 50.

The spelling of 13455590855 in words is "thirteen billion, four hundred fifty-five million, five hundred ninety thousand, eight hundred fifty-five".