117270215017 has 6 divisors (see below), whose sum is σ = 119291537978. Its totient is φ = 115282580832.

The previous prime is 117270214987. The next prime is 117270215047. The reversal of 117270215017 is 710512072711.

It is an interprime number because it is at equal distance from previous prime (117270214987) and next prime (117270215047).

It can be written as a sum of positive squares in only one way, i.e., 115130597481 + 2139617536 = 339309^2 + 46256^2 .

It is not a de Polignac number, because 117270215017 - 2⁷ = 117270214889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117270215047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16840848 + ... + 16847809.

Almost surely, 2^117270215017 is an apocalyptic number.

It is an amenable number.

117270215017 is a deficient number, since it is larger than the sum of its proper divisors (2021322961).

117270215017 is an frugal number, since it uses more digits than its factorization.

117270215017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33688775 (or 33688716 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 34.

Adding to 117270215017 its reverse (710512072711), we get a palindrome (827782287728).

The spelling of 117270215017 in words is "one hundred seventeen billion, two hundred seventy million, two hundred fifteen thousand, seventeen".