2116015615 has 8 divisors (see below), whose sum is σ = 2901964320. Its totient is φ = 1450982112.

The previous prime is 2116015609. The next prime is 2116015667. The reversal of 2116015615 is 5165106112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2116015615 - 2⁹ = 2116015103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30228760 + ... + 30228829.

It is an arithmetic number, because the mean of its divisors is an integer number (362745540).

Almost surely, 2^2116015615 is an apocalyptic number.

2116015615 is a deficient number, since it is larger than the sum of its proper divisors (785948705).

2116015615 is an equidigital number, since it uses as much as digits as its factorization.

2116015615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60457601.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2116015615 is about 46000.1697279477. The cubic root of 2116015615 is about 1283.8263625781.

The spelling of 2116015615 in words is "two billion, one hundred sixteen million, fifteen thousand, six hundred fifteen".