117896601881 has 2 divisors, whose sum is σ = 117896601882. Its totient is φ = 117896601880.

The previous prime is 117896601847. The next prime is 117896601887. The reversal of 117896601881 is 188106698711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99187833481 + 18708768400 = 314941^2 + 136780^2 .

It is a cyclic number.

It is not a de Polignac number, because 117896601881 - 2¹⁴ = 117896585497 is a prime.

It is a super-2 number, since 2×117896601881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117896601887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58948300940 + 58948300941.

It is an arithmetic number, because the mean of its divisors is an integer number (58948300941).

Almost surely, 2^117896601881 is an apocalyptic number.

It is an amenable number.

117896601881 is a deficient number, since it is larger than the sum of its proper divisors (1).

117896601881 is an equidigital number, since it uses as much as digits as its factorization.

117896601881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 56.

The spelling of 117896601881 in words is "one hundred seventeen billion, eight hundred ninety-six million, six hundred one thousand, eight hundred eighty-one".