51442166005011 has 32 divisors (see below), whose sum is σ = 79304701344000. Its totient is φ = 32929474765824.

The previous prime is 51442166004991. The next prime is 51442166005019. The reversal of 51442166005011 is 11050066124415.

51442166005011 is a `hidden beast` number, since 5 + 1 + 4 + 42 + 1 + 6 + 600 + 5 + 0 + 1 + 1 = 666.

51442166005011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51442166005011 - 2¹⁵ = 51442165972243 is a prime.

It is a super-2 number, since 2×51442166005011² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51442166005019) by changing a digit.

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, 375427246 + ... + 375564243.

It is an arithmetic number, because the mean of its divisors is an integer number (2478271917000).

Almost surely, 2^{51442166005011} is an apocalyptic number.

51442166005011 is a deficient number, since it is larger than the sum of its proper divisors (27862535338989).

51442166005011 is a wasteful number, since it uses less digits than its factorization.

51442166005011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750991600 (or 750991594 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 51442166005011 in words is "fifty-one trillion, four hundred forty-two billion, one hundred sixty-six million, five thousand, eleven".