51006028040136 has 96 divisors (see below), whose sum is σ = 148783472543160. Its totient is φ = 15692486086656.

The previous prime is 51006028040089. The next prime is 51006028040137. The reversal of 51006028040136 is 63104082060015.

It is a happy number.

51006028040136 is a `hidden beast` number, since 5 + 1 + 0 + 0 + 602 + 8 + 0 + 40 + 1 + 3 + 6 = 666.

51006028040136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 38329793503236 + 12676234536900 = 6191106^2 + 3560370^2 .

It is a super-2 number, since 2×51006028040136² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51006028040136.

It is not an unprimeable number, because it can be changed into a prime (51006028040137) 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 23 ways as a sum of consecutive naturals, for example, 5871166 + ... + 11682578.

Almost surely, 2^{51006028040136} is an apocalyptic number.

It is an amenable number.

51006028040136 is an abundant number, since it is smaller than the sum of its proper divisors (97777444503024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51006028040136 is a wasteful number, since it uses less digits than its factorization.

51006028040136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820815 (or 5820808 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 51006028040136 in words is "fifty-one trillion, six billion, twenty-eight million, forty thousand, one hundred thirty-six".