64106131512056 has 32 divisors (see below), whose sum is σ = 120348826380000. Its totient is φ = 32013114258816.

The previous prime is 64106131512047. The next prime is 64106131512077. The reversal of 64106131512056 is 65021513160146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177006245 + ... + 177368043.

It is an arithmetic number, because the mean of its divisors is an integer number (3760900824375).

Almost surely, 2^{64106131512056} is an apocalyptic number.

It is an amenable number.

64106131512056 is a deficient number, since it is larger than the sum of its proper divisors (56242694867944).

64106131512056 is a wasteful number, since it uses less digits than its factorization.

64106131512056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389351 (or 389347 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 64106131512056 in words is "sixty-four trillion, one hundred six billion, one hundred thirty-one million, five hundred twelve thousand, fifty-six".