51541444305 has 96 divisors (see below), whose sum is σ = 107232128640. Its totient is φ = 22624634880.

The previous prime is 51541444247. The next prime is 51541444313. The reversal of 51541444305 is 50344414515.

It is not a de Polignac number, because 51541444305 - 2²⁰ = 51540395729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51541444305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52570 + ... + 325340.

It is an arithmetic number, because the mean of its divisors is an integer number (1117001340).

Almost surely, 2^51541444305 is an apocalyptic number.

It is an amenable number.

51541444305 is an abundant number, since it is smaller than the sum of its proper divisors (55690684335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51541444305 is a wasteful number, since it uses less digits than its factorization.

51541444305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272831 (or 272828 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 51541444305 in words is "fifty-one billion, five hundred forty-one million, four hundred forty-four thousand, three hundred five".