56665505122 has 16 divisors (see below), whose sum is σ = 90367306560. Its totient is φ = 26589554992.

The previous prime is 56665505087. The next prime is 56665505129. The reversal of 56665505122 is 22150556665.

It is not an unprimeable number, because it can be changed into a prime (56665505129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11618872 + ... + 11623747.

It is an arithmetic number, because the mean of its divisors is an integer number (5647956660).

Almost surely, 2^56665505122 is an apocalyptic number.

56665505122 is a deficient number, since it is larger than the sum of its proper divisors (33701801438).

56665505122 is a wasteful number, since it uses less digits than its factorization.

56665505122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23242697.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 56665505122 in words is "fifty-six billion, six hundred sixty-five million, five hundred five thousand, one hundred twenty-two".