116773747561 has 2 divisors, whose sum is σ = 116773747562. Its totient is φ = 116773747560.

The previous prime is 116773747549. The next prime is 116773747567. The reversal of 116773747561 is 165747377611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94091881536 + 22681866025 = 306744^2 + 150605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116773747561 is a prime.

It is a super-2 number, since 2×116773747561² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116773747567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58386873780 + 58386873781.

It is an arithmetic number, because the mean of its divisors is an integer number (58386873781).

Almost surely, 2^116773747561 is an apocalyptic number.

It is an amenable number.

116773747561 is a deficient number, since it is larger than the sum of its proper divisors (1).

116773747561 is an equidigital number, since it uses as much as digits as its factorization.

116773747561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5186160, while the sum is 55.

The spelling of 116773747561 in words is "one hundred sixteen billion, seven hundred seventy-three million, seven hundred forty-seven thousand, five hundred sixty-one".