117250661653 has 2 divisors, whose sum is σ = 117250661654. Its totient is φ = 117250661652.

The previous prime is 117250661609. The next prime is 117250661669. The reversal of 117250661653 is 356166052711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114963717969 + 2286943684 = 339063^2 + 47822^2 .

It is a cyclic number.

It is not a de Polignac number, because 117250661653 - 2⁹ = 117250661141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117250661603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58625330826 + 58625330827.

It is an arithmetic number, because the mean of its divisors is an integer number (58625330827).

Almost surely, 2^117250661653 is an apocalyptic number.

It is an amenable number.

117250661653 is a deficient number, since it is larger than the sum of its proper divisors (1).

117250661653 is an equidigital number, since it uses as much as digits as its factorization.

117250661653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 117250661653 in words is "one hundred seventeen billion, two hundred fifty million, six hundred sixty-one thousand, six hundred fifty-three".