51155066056066 has 64 divisors (see below), whose sum is σ = 89174608128000. Its totient is φ = 21554846780544.

The previous prime is 51155066056057. The next prime is 51155066056099. The reversal of 51155066056066 is 66065066055115.

51155066056066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1072431885 + ... + 1072479583.

It is an arithmetic number, because the mean of its divisors is an integer number (1393353252000).

Almost surely, 2^{51155066056066} is an apocalyptic number.

51155066056066 is a deficient number, since it is larger than the sum of its proper divisors (38019542071934).

51155066056066 is a wasteful number, since it uses less digits than its factorization.

51155066056066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49951.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 51155066056066 in words is "fifty-one trillion, one hundred fifty-five billion, sixty-six million, fifty-six thousand, sixty-six".