2116391440115 has 8 divisors (see below), whose sum is σ = 2542457515968. Its totient is φ = 1691254626880.

The previous prime is 2116391440043. The next prime is 2116391440169. The reversal of 2116391440115 is 5110441936112.

It is a happy number.

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

It is not a de Polignac number, because 2116391440115 - 2³² = 2112096472819 is a prime.

It is a super-2 number, since 2×2116391440115² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 232310642 + ... + 232319751.

It is an arithmetic number, because the mean of its divisors is an integer number (317807189496).

Almost surely, 2^{2116391440115} is an apocalyptic number.

2116391440115 is a deficient number, since it is larger than the sum of its proper divisors (426066075853).

2116391440115 is an equidigital number, since it uses as much as digits as its factorization.

2116391440115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464631309.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 2116391440115 in words is "two trillion, one hundred sixteen billion, three hundred ninety-one million, four hundred forty thousand, one hundred fifteen".