2655121015165 has 16 divisors (see below), whose sum is σ = 3217254386112. Its totient is φ = 2103373813504.

The previous prime is 2655121015153. The next prime is 2655121015189. The reversal of 2655121015165 is 5615101215562.

It is a cyclic number.

It is not a de Polignac number, because 2655121015165 - 2²⁹ = 2654584144253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266442 + ... + 2319748.

It is an arithmetic number, because the mean of its divisors is an integer number (201078399132).

Almost surely, 2^{2655121015165} is an apocalyptic number.

It is an amenable number.

2655121015165 is a deficient number, since it is larger than the sum of its proper divisors (562133370947).

2655121015165 is a wasteful number, since it uses less digits than its factorization.

2655121015165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055836.

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 2655121015165 in words is "two trillion, six hundred fifty-five billion, one hundred twenty-one million, fifteen thousand, one hundred sixty-five".