2116499612815 has 16 divisors (see below), whose sum is σ = 2904497160768. Its totient is φ = 1450379460096.

The previous prime is 2116499612809. The next prime is 2116499612837. The reversal of 2116499612815 is 5182169946112.

It is not a de Polignac number, because 2116499612815 - 2⁵ = 2116499612783 is a prime.

It is a super-2 number, since 2×2116499612815² (a number of 25 digits) contains 22 as substring.

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, 19414872 + ... + 19523581.

It is an arithmetic number, because the mean of its divisors is an integer number (181531072548).

Almost surely, 2^{2116499612815} is an apocalyptic number.

2116499612815 is a deficient number, since it is larger than the sum of its proper divisors (787997547953).

2116499612815 is a wasteful number, since it uses less digits than its factorization.

2116499612815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38940018.

The product of its digits is 1866240, while the sum is 55.

The spelling of 2116499612815 in words is "two trillion, one hundred sixteen billion, four hundred ninety-nine million, six hundred twelve thousand, eight hundred fifteen".