61283425064 has 16 divisors (see below), whose sum is σ = 115116496800. Its totient is φ = 30585692592.

The previous prime is 61283425061. The next prime is 61283425109. The reversal of 61283425064 is 46052438216.

It is not an unprimeable number, because it can be changed into a prime (61283425061) 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, 6997844 + ... + 7006595.

It is an arithmetic number, because the mean of its divisors is an integer number (7194781050).

Almost surely, 2^61283425064 is an apocalyptic number.

It is an amenable number.

61283425064 is a deficient number, since it is larger than the sum of its proper divisors (53833071736).

61283425064 is a wasteful number, since it uses less digits than its factorization.

61283425064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14004992 (or 14004988 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 61283425064 in words is "sixty-one billion, two hundred eighty-three million, four hundred twenty-five thousand, sixty-four".