116121615 has 8 divisors (see below), whose sum is σ = 185794608. Its totient is φ = 61931520.

The previous prime is 116121589. The next prime is 116121659. The reversal of 116121615 is 516121611.

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

It is not a de Polignac number, because 116121615 - 2⁵ = 116121583 is a prime.

It is a super-3 number, since 3×116121615³ (a number of 25 digits) contains 333 as substring.

It is a congruent 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, 3870706 + ... + 3870735.

It is an arithmetic number, because the mean of its divisors is an integer number (23224326).

Almost surely, 2^116121615 is an apocalyptic number.

116121615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116121615 is a deficient number, since it is larger than the sum of its proper divisors (69672993).

116121615 is an equidigital number, since it uses as much as digits as its factorization.

116121615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741449.

The product of its digits is 360, while the sum is 24.

The square root of 116121615 is about 10775.9739699017. The cubic root of 116121615 is about 487.8702722780.

The spelling of 116121615 in words is "one hundred sixteen million, one hundred twenty-one thousand, six hundred fifteen".