50511251012 has 12 divisors (see below), whose sum is σ = 90550657596. Its totient is φ = 24639634560.

The previous prime is 50511250997. The next prime is 50511251209. The reversal of 50511251012 is 21015211505.

It can be written as a sum of positive squares in 2 ways, for example, as 6840282436 + 43670968576 = 82706^2 + 208976^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153997553 + ... + 153997880.

It is an arithmetic number, because the mean of its divisors is an integer number (7545888133).

Almost surely, 2^50511251012 is an apocalyptic number.

It is an amenable number.

50511251012 is a deficient number, since it is larger than the sum of its proper divisors (40039406584).

50511251012 is a wasteful number, since it uses less digits than its factorization.

50511251012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307995478 (or 307995476 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 50511251012 its reverse (21015211505), we get a palindrome (71526462517).

The spelling of 50511251012 in words is "fifty billion, five hundred eleven million, two hundred fifty-one thousand, twelve".