2655121155 has 8 divisors (see below), whose sum is σ = 4248193872. Its totient is φ = 1416064608.

The previous prime is 2655121087. The next prime is 2655121159. The reversal of 2655121155 is 5511215562.

2655121155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2655121155 - 2²⁵ = 2621566723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2655121159) 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, 88504024 + ... + 88504053.

It is an arithmetic number, because the mean of its divisors is an integer number (531024234).

Almost surely, 2^2655121155 is an apocalyptic number.

2655121155 is a deficient number, since it is larger than the sum of its proper divisors (1593072717).

2655121155 is a wasteful number, since it uses less digits than its factorization.

2655121155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177008085.

The product of its digits is 15000, while the sum is 33.

The square root of 2655121155 is about 51527.8677513440. The cubic root of 2655121155 is about 1384.7183508055.

The spelling of 2655121155 in words is "two billion, six hundred fifty-five million, one hundred twenty-one thousand, one hundred fifty-five".