51435135255 has 32 divisors (see below), whose sum is σ = 94793416704. Its totient is φ = 23328055296.

The previous prime is 51435135223. The next prime is 51435135317. The reversal of 51435135255 is 55253153415.

It is not a de Polignac number, because 51435135255 - 2⁵ = 51435135223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915242 + ... + 1941911.

It is an arithmetic number, because the mean of its divisors is an integer number (2962294272).

Almost surely, 2^51435135255 is an apocalyptic number.

51435135255 is a deficient number, since it is larger than the sum of its proper divisors (43358281449).

51435135255 is a wasteful number, since it uses less digits than its factorization.

51435135255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857295.

The product of its digits is 225000, while the sum is 39.

The spelling of 51435135255 in words is "fifty-one billion, four hundred thirty-five million, one hundred thirty-five thousand, two hundred fifty-five".