117536864639401 has 2 divisors, whose sum is σ = 117536864639402. Its totient is φ = 117536864639400.

The previous prime is 117536864639251. The next prime is 117536864639407. The reversal of 117536864639401 is 104936468635711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65395121225625 + 52141743413776 = 8086725^2 + 7220924^2 .

It is an emirp because it is prime and its reverse (104936468635711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117536864639401 - 2⁹ = 117536864638889 is a prime.

It is not a weakly prime, because it can be changed into another prime (117536864639407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58768432319700 + 58768432319701.

It is an arithmetic number, because the mean of its divisors is an integer number (58768432319701).

Almost surely, 2^{117536864639401} is an apocalyptic number.

It is an amenable number.

117536864639401 is a deficient number, since it is larger than the sum of its proper divisors (1).

117536864639401 is an equidigital number, since it uses as much as digits as its factorization.

117536864639401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 117536864639401 in words is "one hundred seventeen trillion, five hundred thirty-six billion, eight hundred sixty-four million, six hundred thirty-nine thousand, four hundred one".