117216022256 has 20 divisors (see below), whose sum is σ = 229842263112. Its totient is φ = 57901889856.

The previous prime is 117216022207. The next prime is 117216022267. The reversal of 117216022256 is 652220612711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44131211 + ... + 44133866.

Almost surely, 2^117216022256 is an apocalyptic number.

117216022256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117216022256 is a deficient number, since it is larger than the sum of its proper divisors (112626240856).

117216022256 is an equidigital number, since it uses as much as digits as its factorization.

117216022256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88265168 (or 88265162 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 117216022256 its reverse (652220612711), we get a palindrome (769436634967).

The spelling of 117216022256 in words is "one hundred seventeen billion, two hundred sixteen million, twenty-two thousand, two hundred fifty-six".