13432560555 has 32 divisors (see below), whose sum is σ = 22199685120. Its totient is φ = 6928467840.

The previous prime is 13432560553. The next prime is 13432560613. The reversal of 13432560555 is 55506523431.

It is not a de Polignac number, because 13432560555 - 2¹ = 13432560553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13432560551) 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, 786234 + ... + 803136.

It is an arithmetic number, because the mean of its divisors is an integer number (693740160).

Almost surely, 2^13432560555 is an apocalyptic number.

13432560555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13432560555 is a deficient number, since it is larger than the sum of its proper divisors (8767124565).

13432560555 is a wasteful number, since it uses less digits than its factorization.

13432560555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18651.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 13432560555 in words is "thirteen billion, four hundred thirty-two million, five hundred sixty thousand, five hundred fifty-five".