2155235315 has 12 divisors (see below), whose sum is σ = 2650911312. Its totient is φ = 1682128320.

The previous prime is 2155235279. The next prime is 2155235323. The reversal of 2155235315 is 5135325512.

2155235315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2155235315 - 2⁸ = 2155235059 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119807 + ... + 136616.

It is an arithmetic number, because the mean of its divisors is an integer number (220909276).

Almost surely, 2^2155235315 is an apocalyptic number.

2155235315 is a deficient number, since it is larger than the sum of its proper divisors (495675997).

2155235315 is an equidigital number, since it uses as much as digits as its factorization.

2155235315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256510 (or 256469 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 2155235315 is about 46424.5120060513. The cubic root of 2155235315 is about 1291.7096325539.

The spelling of 2155235315 in words is "two billion, one hundred fifty-five million, two hundred thirty-five thousand, three hundred fifteen".