61175117701 has 2 divisors, whose sum is σ = 61175117702. Its totient is φ = 61175117700.

The previous prime is 61175117687. The next prime is 61175117711. The reversal of 61175117701 is 10771157116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59794920900 + 1380196801 = 244530^2 + 37151^2 .

It is a cyclic number.

It is not a de Polignac number, because 61175117701 - 2²¹ = 61173020549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61175117711) 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, 30587558850 + 30587558851.

It is an arithmetic number, because the mean of its divisors is an integer number (30587558851).

Almost surely, 2^61175117701 is an apocalyptic number.

It is an amenable number.

61175117701 is a deficient number, since it is larger than the sum of its proper divisors (1).

61175117701 is an equidigital number, since it uses as much as digits as its factorization.

61175117701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10290, while the sum is 37.

The spelling of 61175117701 in words is "sixty-one billion, one hundred seventy-five million, one hundred seventeen thousand, seven hundred one".