61104204064 has 48 divisors (see below), whose sum is σ = 121135203000. Its totient is φ = 30339938304.

The previous prime is 61104204059. The next prime is 61104204101. The reversal of 61104204064 is 46040240116.

It can be written as a sum of positive squares in 4 ways, for example, as 33379290000 + 27724914064 = 182700^2 + 166508^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15316182 + ... + 15320170.

Almost surely, 2^61104204064 is an apocalyptic number.

It is an amenable number.

61104204064 is a deficient number, since it is larger than the sum of its proper divisors (60030998936).

61104204064 is a wasteful number, since it uses less digits than its factorization.

61104204064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7205 (or 7197 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 61104204064 in words is "sixty-one billion, one hundred four million, two hundred four thousand, sixty-four".