51425214605 has 16 divisors (see below), whose sum is σ = 64417101744. Its totient is φ = 39372065280.

The previous prime is 51425214563. The next prime is 51425214623. The reversal of 51425214605 is 50641252415.

51425214605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1156884169 + 50268330436 = 34013^2 + 224206^2 .

It is not a de Polignac number, because 51425214605 - 2¹⁴ = 51425198221 is a prime.

It is a Duffinian number.

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, 2267192 + ... + 2289761.

It is an arithmetic number, because the mean of its divisors is an integer number (4026068859).

Almost surely, 2^51425214605 is an apocalyptic number.

It is an amenable number.

51425214605 is a deficient number, since it is larger than the sum of its proper divisors (12991887139).

51425214605 is a wasteful number, since it uses less digits than its factorization.

51425214605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557056.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 51425214605 in words is "fifty-one billion, four hundred twenty-five million, two hundred fourteen thousand, six hundred five".