61339056744 has 32 divisors (see below), whose sum is σ = 175254448320. Its totient is φ = 17525444736.

The previous prime is 61339056739. The next prime is 61339056811. The reversal of 61339056744 is 44765093316.

It is a junction number, because it is equal to n+sod(n) for n = 61339056693 and 61339056702.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 182556549 + ... + 182556884.

It is an arithmetic number, because the mean of its divisors is an integer number (5476701510).

Almost surely, 2^61339056744 is an apocalyptic number.

It is an amenable number.

61339056744 is an abundant number, since it is smaller than the sum of its proper divisors (113915391576).

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

61339056744 is a wasteful number, since it uses less digits than its factorization.

61339056744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365113449 (or 365113445 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 61339056744 in words is "sixty-one billion, three hundred thirty-nine million, fifty-six thousand, seven hundred forty-four".