13641157555 has 8 divisors (see below), whose sum is σ = 16387442352. Its totient is φ = 10900890528.

The previous prime is 13641157553. The next prime is 13641157567. The reversal of 13641157555 is 55575114631.

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 13641157555 - 2¹ = 13641157553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13641157553) 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, 1499452 + ... + 1508521.

It is an arithmetic number, because the mean of its divisors is an integer number (2048430294).

Almost surely, 2^13641157555 is an apocalyptic number.

13641157555 is a deficient number, since it is larger than the sum of its proper divisors (2746284797).

13641157555 is an equidigital number, since it uses as much as digits as its factorization.

13641157555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3008885.

The product of its digits is 315000, while the sum is 43.

The spelling of 13641157555 in words is "thirteen billion, six hundred forty-one million, one hundred fifty-seven thousand, five hundred fifty-five".