117917181401 has 2 divisors, whose sum is σ = 117917181402. Its totient is φ = 117917181400.

The previous prime is 117917181383. The next prime is 117917181407. The reversal of 117917181401 is 104181719711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104086245376 + 13830936025 = 322624^2 + 117605^2 .

It is a cyclic number.

It is not a de Polignac number, because 117917181401 - 2¹⁸ = 117916919257 is a prime.

It is not a weakly prime, because it can be changed into another prime (117917181407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58958590700 + 58958590701.

It is an arithmetic number, because the mean of its divisors is an integer number (58958590701).

Almost surely, 2^117917181401 is an apocalyptic number.

It is an amenable number.

117917181401 is a deficient number, since it is larger than the sum of its proper divisors (1).

117917181401 is an equidigital number, since it uses as much as digits as its factorization.

117917181401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 41.

The spelling of 117917181401 in words is "one hundred seventeen billion, nine hundred seventeen million, one hundred eighty-one thousand, four hundred one".