61165507022317 has 2 divisors, whose sum is σ = 61165507022318. Its totient is φ = 61165507022316.

The previous prime is 61165507022231. The next prime is 61165507022339. The reversal of 61165507022317 is 71322070556116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61101330426756 + 64176595561 = 7816734^2 + 253331^2 .

It is a cyclic number.

It is not a de Polignac number, because 61165507022317 - 2²⁷ = 61165372804589 is a prime.

It is a super-2 number, since 2×61165507022317² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61165507022377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30582753511158 + 30582753511159.

It is an arithmetic number, because the mean of its divisors is an integer number (30582753511159).

Almost surely, 2^{61165507022317} is an apocalyptic number.

It is an amenable number.

61165507022317 is a deficient number, since it is larger than the sum of its proper divisors (1).

61165507022317 is an equidigital number, since it uses as much as digits as its factorization.

61165507022317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 61165507022317 in words is "sixty-one trillion, one hundred sixty-five billion, five hundred seven million, twenty-two thousand, three hundred seventeen".