56128665614 has 16 divisors (see below), whose sum is σ = 96366153696. Its totient is φ = 24018746400.

The previous prime is 56128665539. The next prime is 56128665617. The reversal of 56128665614 is 41656682165.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56128665617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023417 + ... + 3041924.

It is an arithmetic number, because the mean of its divisors is an integer number (6022884606).

Almost surely, 2^56128665614 is an apocalyptic number.

56128665614 is a deficient number, since it is larger than the sum of its proper divisors (40237488082).

56128665614 is a wasteful number, since it uses less digits than its factorization.

56128665614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066011.

The product of its digits is 2073600, while the sum is 50.

The spelling of 56128665614 in words is "fifty-six billion, one hundred twenty-eight million, six hundred sixty-five thousand, six hundred fourteen".