51442115255 has 32 divisors (see below), whose sum is σ = 63496224000. Its totient is φ = 39995188992.

The previous prime is 51442115233. The next prime is 51442115267. The reversal of 51442115255 is 55251124415.

It is a cyclic number.

It is not a de Polignac number, because 51442115255 - 2²⁰ = 51441066679 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, 15591596 + ... + 15594894.

It is an arithmetic number, because the mean of its divisors is an integer number (1984257000).

Almost surely, 2^51442115255 is an apocalyptic number.

51442115255 is a deficient number, since it is larger than the sum of its proper divisors (12054108745).

51442115255 is a wasteful number, since it uses less digits than its factorization.

51442115255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983.

The product of its digits is 40000, while the sum is 35.

The spelling of 51442115255 in words is "fifty-one billion, four hundred forty-two million, one hundred fifteen thousand, two hundred fifty-five".