51512422133 has 8 divisors (see below), whose sum is σ = 51739430400. Its totient is φ = 51285509968.

The previous prime is 51512422079. The next prime is 51512422139. The reversal of 51512422133 is 33122421515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51512422133 - 2⁶ = 51512422069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51512422096 and 51512422105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51512422139) 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 7 ways as a sum of consecutive naturals, for example, 1182935 + ... + 1225707.

It is an arithmetic number, because the mean of its divisors is an integer number (6467428800).

Almost surely, 2^51512422133 is an apocalyptic number.

It is an amenable number.

51512422133 is a deficient number, since it is larger than the sum of its proper divisors (227008267).

51512422133 is a wasteful number, since it uses less digits than its factorization.

51512422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48051.

The product of its digits is 7200, while the sum is 29.

Adding to 51512422133 its reverse (33122421515), we get a palindrome (84634843648).

The spelling of 51512422133 in words is "fifty-one billion, five hundred twelve million, four hundred twenty-two thousand, one hundred thirty-three".