51021344105 has 16 divisors (see below), whose sum is σ = 61475030784. Its totient is φ = 40650954240.

The previous prime is 51021343957. The next prime is 51021344131. The reversal of 51021344105 is 50144312015.

It is not a de Polignac number, because 51021344105 - 2¹² = 51021340009 is a prime.

It is a Duffinian 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, 2935952 + ... + 2953278.

It is an arithmetic number, because the mean of its divisors is an integer number (3842189424).

Almost surely, 2^51021344105 is an apocalyptic number.

It is an amenable number.

51021344105 is a deficient number, since it is larger than the sum of its proper divisors (10453686679).

51021344105 is a wasteful number, since it uses less digits than its factorization.

51021344105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19696.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 51021344105 in words is "fifty-one billion, twenty-one million, three hundred forty-four thousand, one hundred five".