116721215255 has 8 divisors (see below), whose sum is σ = 140081622912. Its totient is φ = 93366195808.

The previous prime is 116721215227. The next prime is 116721215257. The reversal of 116721215255 is 552512127611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 116721215255 - 2⁸ = 116721214999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116721215257) 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, 1299239 + ... + 1386168.

It is an arithmetic number, because the mean of its divisors is an integer number (17510202864).

Almost surely, 2^116721215255 is an apocalyptic number.

116721215255 is a deficient number, since it is larger than the sum of its proper divisors (23360407657).

116721215255 is an equidigital number, since it uses as much as digits as its factorization.

116721215255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694105.

The product of its digits is 42000, while the sum is 38.

The spelling of 116721215255 in words is "one hundred sixteen billion, seven hundred twenty-one million, two hundred fifteen thousand, two hundred fifty-five".