61104064782 has 32 divisors (see below), whose sum is σ = 123410345472. Its totient is φ = 20167838144.

The previous prime is 61104064711. The next prime is 61104064817. The reversal of 61104064782 is 28746040116.

It is a self number, because there is not a number n which added to its sum of digits gives 61104064782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360123 + ... + 1404329.

It is an arithmetic number, because the mean of its divisors is an integer number (3856573296).

Almost surely, 2^61104064782 is an apocalyptic number.

61104064782 is an abundant number, since it is smaller than the sum of its proper divisors (62306280690).

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

61104064782 is a wasteful number, since it uses less digits than its factorization.

61104064782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46472.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 61104064782 in words is "sixty-one billion, one hundred four million, sixty-four thousand, seven hundred eighty-two".