51210534535 has 16 divisors (see below), whose sum is σ = 62157164832. Its totient is φ = 40499712000.

The previous prime is 51210534521. The next prime is 51210534581. The reversal of 51210534535 is 53543501215.

It is not a de Polignac number, because 51210534535 - 2⁵ = 51210534503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51210534535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367360 + ... + 487210.

It is an arithmetic number, because the mean of its divisors is an integer number (3884822802).

Almost surely, 2^51210534535 is an apocalyptic number.

51210534535 is a deficient number, since it is larger than the sum of its proper divisors (10946630297).

51210534535 is a wasteful number, since it uses less digits than its factorization.

51210534535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120834.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 51210534535 in words is "fifty-one billion, two hundred ten million, five hundred thirty-four thousand, five hundred thirty-five".