2115765286 has 16 divisors (see below), whose sum is σ = 3183436800. Its totient is φ = 1054626048.

The previous prime is 2115765259. The next prime is 2115765343. The reversal of 2115765286 is 6825675112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653595 + ... + 1654873.

It is an arithmetic number, because the mean of its divisors is an integer number (198964800).

Almost surely, 2^2115765286 is an apocalyptic number.

2115765286 is a deficient number, since it is larger than the sum of its proper divisors (1067671514).

2115765286 is a wasteful number, since it uses less digits than its factorization.

2115765286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183.

The product of its digits is 201600, while the sum is 43.

The square root of 2115765286 is about 45997.4486901176. The cubic root of 2115765286 is about 1283.7757341484.

The spelling of 2115765286 in words is "two billion, one hundred fifteen million, seven hundred sixty-five thousand, two hundred eighty-six".