117040516375561 has 2 divisors, whose sum is σ = 117040516375562. Its totient is φ = 117040516375560.

The previous prime is 117040516375439. The next prime is 117040516375621. The reversal of 117040516375561 is 165573615040711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69025040713161 + 48015475662400 = 8308131^2 + 6929320^2 .

It is a cyclic number.

It is not a de Polignac number, because 117040516375561 - 2¹¹ = 117040516373513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117040516375499 and 117040516375508.

It is not a weakly prime, because it can be changed into another prime (117040516375361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58520258187780 + 58520258187781.

It is an arithmetic number, because the mean of its divisors is an integer number (58520258187781).

Almost surely, 2^{117040516375561} is an apocalyptic number.

It is an amenable number.

117040516375561 is a deficient number, since it is larger than the sum of its proper divisors (1).

117040516375561 is an equidigital number, since it uses as much as digits as its factorization.

117040516375561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 117040516375561 in words is "one hundred seventeen trillion, forty billion, five hundred sixteen million, three hundred seventy-five thousand, five hundred sixty-one".