51503102003236 has 12 divisors (see below), whose sum is σ = 97063538390812. Its totient is φ = 23770662463008.

The previous prime is 51503102003233. The next prime is 51503102003237. The reversal of 51503102003236 is 63230020130515.

It can be written as a sum of positive squares in 2 ways, for example, as 4076740580836 + 47426361422400 = 2019094^2 + 6886680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51503102003198 and 51503102003207.

It is not an unprimeable number, because it can be changed into a prime (51503102003233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495222134595 + ... + 495222134698.

Almost surely, 2^{51503102003236} is an apocalyptic number.

It is an amenable number.

51503102003236 is a deficient number, since it is larger than the sum of its proper divisors (45560436387576).

51503102003236 is a wasteful number, since it uses less digits than its factorization.

51503102003236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990444269310 (or 990444269308 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 51503102003236 in words is "fifty-one trillion, five hundred three billion, one hundred two million, three thousand, two hundred thirty-six".