2691116916215 has 48 divisors (see below), whose sum is σ = 3998320901568. Its totient is φ = 1702574235648.

The previous prime is 2691116916209. The next prime is 2691116916221. The reversal of 2691116916215 is 5126196111962.

2691116916215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2691116916209) and next prime (2691116916221).

It is not a de Polignac number, because 2691116916215 - 2³⁰ = 2690043174391 is a prime.

It is a super-2 number, since 2×2691116916215² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12390737 + ... + 12606053.

It is an arithmetic number, because the mean of its divisors is an integer number (83298352116).

Almost surely, 2^{2691116916215} is an apocalyptic number.

2691116916215 is a deficient number, since it is larger than the sum of its proper divisors (1307203985353).

2691116916215 is a wasteful number, since it uses less digits than its factorization.

2691116916215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217468 (or 217455 counting only the distinct ones).

The product of its digits is 349920, while the sum is 50.

The spelling of 2691116916215 in words is "two trillion, six hundred ninety-one billion, one hundred sixteen million, nine hundred sixteen thousand, two hundred fifteen".