51636012126 has 32 divisors (see below), whose sum is σ = 110145031200. Its totient is φ = 16081284096.

The previous prime is 51636012121. The next prime is 51636012163. The reversal of 51636012126 is 62121063615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51636012121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833601 + ... + 1861548.

It is an arithmetic number, because the mean of its divisors is an integer number (3442032225).

Almost surely, 2^51636012126 is an apocalyptic number.

51636012126 is an abundant number, since it is smaller than the sum of its proper divisors (58509019074).

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

51636012126 is a wasteful number, since it uses less digits than its factorization.

51636012126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695308.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 51636012126 in words is "fifty-one billion, six hundred thirty-six million, twelve thousand, one hundred twenty-six".