61755459504317 has 16 divisors (see below), whose sum is σ = 63413683660800. Its totient is φ = 60119554438320.

The previous prime is 61755459504311. The next prime is 61755459504329. The reversal of 61755459504317 is 71340595455716.

It is a cyclic number.

It is not a de Polignac number, because 61755459504317 - 2¹⁴ = 61755459487933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61755459504317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61755459504311) 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 in 15 ways as a sum of consecutive naturals, for example, 4638203 + ... + 12042584.

It is an arithmetic number, because the mean of its divisors is an integer number (3963355228800).

Almost surely, 2^{61755459504317} is an apocalyptic number.

It is an amenable number.

61755459504317 is a deficient number, since it is larger than the sum of its proper divisors (1658224156483).

61755459504317 is a wasteful number, since it uses less digits than its factorization.

61755459504317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681456.

The product of its (nonzero) digits is 79380000, while the sum is 62.

The spelling of 61755459504317 in words is "sixty-one trillion, seven hundred fifty-five billion, four hundred fifty-nine million, five hundred four thousand, three hundred seventeen".