117213640741 has 2 divisors, whose sum is σ = 117213640742. Its totient is φ = 117213640740.

The previous prime is 117213640717. The next prime is 117213640763. The reversal of 117213640741 is 147046312711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82860501025 + 34353139716 = 287855^2 + 185346^2 .

It is an emirp because it is prime and its reverse (147046312711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117213640741 - 2¹⁹ = 117213116453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117213640741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117213640241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58606820370 + 58606820371.

It is an arithmetic number, because the mean of its divisors is an integer number (58606820371).

Almost surely, 2^117213640741 is an apocalyptic number.

It is an amenable number.

117213640741 is a deficient number, since it is larger than the sum of its proper divisors (1).

117213640741 is an equidigital number, since it uses as much as digits as its factorization.

117213640741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 117213640741 in words is "one hundred seventeen billion, two hundred thirteen million, six hundred forty thousand, seven hundred forty-one".