51002515133 has 8 divisors (see below), whose sum is σ = 54124573248. Its totient is φ = 47894002624.

The previous prime is 51002515087. The next prime is 51002515139. The reversal of 51002515133 is 33151520015.

It is a happy number.

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

It is not a de Polignac number, because 51002515133 - 2¹⁰ = 51002514109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51002515139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3378641 + ... + 3393702.

It is an arithmetic number, because the mean of its divisors is an integer number (6765571656).

Almost surely, 2^51002515133 is an apocalyptic number.

It is an amenable number.

51002515133 is a deficient number, since it is larger than the sum of its proper divisors (3122058115).

51002515133 is a wasteful number, since it uses less digits than its factorization.

51002515133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772803.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 51002515133 in words is "fifty-one billion, two million, five hundred fifteen thousand, one hundred thirty-three".