2255855615 has 16 divisors (see below), whose sum is σ = 2933158368. Its totient is φ = 1655634816.

The previous prime is 2255855587. The next prime is 2255855639. The reversal of 2255855615 is 5165585522.

It is a cyclic number.

It is not a de Polignac number, because 2255855615 - 2¹⁸ = 2255593471 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, 95864 + ... + 117053.

It is an arithmetic number, because the mean of its divisors is an integer number (183322398).

Almost surely, 2^2255855615 is an apocalyptic number.

2255855615 is a deficient number, since it is larger than the sum of its proper divisors (677302753).

2255855615 is a wasteful number, since it uses less digits than its factorization.

2255855615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213098.

The product of its digits is 600000, while the sum is 44.

The square root of 2255855615 is about 47495.8483975179. The cubic root of 2255855615 is about 1311.5064570419.

The spelling of 2255855615 in words is "two billion, two hundred fifty-five million, eight hundred fifty-five thousand, six hundred fifteen".