2215505115 has 48 divisors (see below), whose sum is σ = 4019215200. Its totient is φ = 1170692352.

The previous prime is 2215505113. The next prime is 2215505119. The reversal of 2215505115 is 5115055122.

2215505115 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 2215505115 - 2¹ = 2215505113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2215505113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124071 + ... + 140799.

It is an arithmetic number, because the mean of its divisors is an integer number (83733650).

Almost surely, 2^2215505115 is an apocalyptic number.

2215505115 is a deficient number, since it is larger than the sum of its proper divisors (1803710085).

2215505115 is a wasteful number, since it uses less digits than its factorization.

2215505115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16858 (or 16846 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 2215505115 is about 47069.1524780296. The cubic root of 2215505115 is about 1303.6397240977.

The spelling of 2215505115 in words is "two billion, two hundred fifteen million, five hundred five thousand, one hundred fifteen".