61360858759 has 4 divisors (see below), whose sum is σ = 61361729704. Its totient is φ = 61359987816.

The previous prime is 61360858721. The next prime is 61360858763. The reversal of 61360858759 is 95785806316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61360858759 - 2¹³ = 61360850567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61360853759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319497 + ... + 474130.

It is an arithmetic number, because the mean of its divisors is an integer number (15340432426).

Almost surely, 2^61360858759 is an apocalyptic number.

61360858759 is a deficient number, since it is larger than the sum of its proper divisors (870945).

61360858759 is an equidigital number, since it uses as much as digits as its factorization.

61360858759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870944.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 61360858759 in words is "sixty-one billion, three hundred sixty million, eight hundred fifty-eight thousand, seven hundred fifty-nine".