2128852615 has 16 divisors (see below), whose sum is σ = 2638503936. Its totient is φ = 1647223200.

The previous prime is 2128852577. The next prime is 2128852637. The reversal of 2128852615 is 5162588212.

It is a de Polignac number, because none of the positive numbers 2^k-2128852615 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, 438250 + ... + 443080.

It is an arithmetic number, because the mean of its divisors is an integer number (164906496).

Almost surely, 2^2128852615 is an apocalyptic number.

2128852615 is a deficient number, since it is larger than the sum of its proper divisors (509651321).

2128852615 is a wasteful number, since it uses less digits than its factorization.

2128852615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710.

The product of its digits is 76800, while the sum is 40.

The square root of 2128852615 is about 46139.4908402769. The cubic root of 2128852615 is about 1286.4172798344.

The spelling of 2128852615 in words is "two billion, one hundred twenty-eight million, eight hundred fifty-two thousand, six hundred fifteen".