116718628515 has 8 divisors (see below), whose sum is σ = 186749805648. Its totient is φ = 62249935200.

The previous prime is 116718628511. The next prime is 116718628529. The reversal of 116718628515 is 515826817611.

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

It is not a de Polignac number, because 116718628515 - 2² = 116718628511 is a prime.

It is a super-2 number, since 2×116718628515² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116718628511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890620936 + ... + 3890620965.

It is an arithmetic number, because the mean of its divisors is an integer number (23343725706).

Almost surely, 2^116718628515 is an apocalyptic number.

116718628515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116718628515 is a deficient number, since it is larger than the sum of its proper divisors (70031177133).

116718628515 is an equidigital number, since it uses as much as digits as its factorization.

116718628515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781241909.

The product of its digits is 806400, while the sum is 51.

The spelling of 116718628515 in words is "one hundred sixteen billion, seven hundred eighteen million, six hundred twenty-eight thousand, five hundred fifteen".