61865239314792 has 64 divisors (see below), whose sum is σ = 156136676097600. Its totient is φ = 20425401884160.

The previous prime is 61865239314743. The next prime is 61865239314839. The reversal of 61865239314792 is 29741393256816.

It is an unprimeable number.

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, 3335167 + ... + 11612657.

It is an arithmetic number, because the mean of its divisors is an integer number (2439635564025).

Almost surely, 2^{61865239314792} is an apocalyptic number.

It is an amenable number.

61865239314792 is an abundant number, since it is smaller than the sum of its proper divisors (94271436782808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61865239314792 is a wasteful number, since it uses less digits than its factorization.

61865239314792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280466 (or 8280462 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 66.

The spelling of 61865239314792 in words is "sixty-one trillion, eight hundred sixty-five billion, two hundred thirty-nine million, three hundred fourteen thousand, seven hundred ninety-two".