116671431185 has 8 divisors (see below), whose sum is σ = 141391913256. Its totient is φ = 92413014400.

The previous prime is 116671431139. The next prime is 116671431197. The reversal of 116671431185 is 581134176611.

It is a Cunningham number, because it is equal to 341572²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 42002043136 + 74669388049 = 204944^2 + 273257^2 .

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

It is not a de Polignac number, because 116671431185 - 2²⁶ = 116604322321 is a prime.

It is a super-2 number, since 2×116671431185² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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, 115515764 + ... + 115516773.

It is an arithmetic number, because the mean of its divisors is an integer number (17673989157).

Almost surely, 2^116671431185 is an apocalyptic number.

It is an amenable number.

116671431185 is a deficient number, since it is larger than the sum of its proper divisors (24720482071).

116671431185 is a wasteful number, since it uses less digits than its factorization.

116671431185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231032643.

The product of its digits is 120960, while the sum is 44.

The spelling of 116671431185 in words is "one hundred sixteen billion, six hundred seventy-one million, four hundred thirty-one thousand, one hundred eighty-five".