117864502601 has 2 divisors, whose sum is σ = 117864502602. Its totient is φ = 117864502600.

The previous prime is 117864502583. The next prime is 117864502631. The reversal of 117864502601 is 106205468711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86597775625 + 31266726976 = 294275^2 + 176824^2 .

It is a cyclic number.

It is not a de Polignac number, because 117864502601 - 2¹⁸ = 117864240457 is a prime.

It is a super-2 number, since 2×117864502601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117864502631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58932251300 + 58932251301.

It is an arithmetic number, because the mean of its divisors is an integer number (58932251301).

Almost surely, 2^117864502601 is an apocalyptic number.

It is an amenable number.

117864502601 is a deficient number, since it is larger than the sum of its proper divisors (1).

117864502601 is an equidigital number, since it uses as much as digits as its factorization.

117864502601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 117864502601 in words is "one hundred seventeen billion, eight hundred sixty-four million, five hundred two thousand, six hundred one".