51000110033 has 2 divisors, whose sum is σ = 51000110034. Its totient is φ = 51000110032.

The previous prime is 51000109999. The next prime is 51000110129. The reversal of 51000110033 is 33001100015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49451530129 + 1548579904 = 222377^2 + 39352^2 .

It is a cyclic number.

It is not a de Polignac number, because 51000110033 - 2⁶ = 51000109969 is a prime.

It is a super-2 number, since 2×51000110033² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51000110333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500055016 + 25500055017.

It is an arithmetic number, because the mean of its divisors is an integer number (25500055017).

Almost surely, 2^51000110033 is an apocalyptic number.

It is an amenable number.

51000110033 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000110033 is an equidigital number, since it uses as much as digits as its factorization.

51000110033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 14.

Adding to 51000110033 its reverse (33001100015), we get a palindrome (84001210048).

The spelling of 51000110033 in words is "fifty-one billion, one hundred ten thousand, thirty-three".