51015344336 has 60 divisors (see below), whose sum is σ = 115035707556. Its totient is φ = 21824732160.

The previous prime is 51015344323. The next prime is 51015344389. The reversal of 51015344336 is 63344351015.

It can be written as a sum of positive squares in 2 ways, for example, as 34167304336 + 16848040000 = 184844^2 + 129800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51015344296 and 51015344305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 742115 + ... + 807938.

Almost surely, 2^51015344336 is an apocalyptic number.

It is an amenable number.

51015344336 is an abundant number, since it is smaller than the sum of its proper divisors (64020363220).

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

51015344336 is a wasteful number, since it uses less digits than its factorization.

51015344336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550100 (or 1550083 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 51015344336 in words is "fifty-one billion, fifteen million, three hundred forty-four thousand, three hundred thirty-six".