2116550115 has 64 divisors (see below), whose sum is σ = 3832012800. Its totient is φ = 1108195200.

The previous prime is 2116550083. The next prime is 2116550147. The reversal of 2116550115 is 5110556112.

2116550115 is a `hidden beast` number, since 2 + 1 + 1 + 655 + 0 + 1 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2116550083) and next prime (2116550147).

It is not a de Polignac number, because 2116550115 - 2⁵ = 2116550083 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4418446 + ... + 4418924.

It is an arithmetic number, because the mean of its divisors is an integer number (59875200).

Almost surely, 2^2116550115 is an apocalyptic number.

2116550115 is a deficient number, since it is larger than the sum of its proper divisors (1715462685).

2116550115 is a wasteful number, since it uses less digits than its factorization.

2116550115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 2116550115 is about 46005.9791222837. The cubic root of 2116550115 is about 1283.9344505361.

The spelling of 2116550115 in words is "two billion, one hundred sixteen million, five hundred fifty thousand, one hundred fifteen".