51038226133 has 2 divisors, whose sum is σ = 51038226134. Its totient is φ = 51038226132.

The previous prime is 51038226053. The next prime is 51038226181. The reversal of 51038226133 is 33162283015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51036683569 + 1542564 = 225913^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 51038226133 - 2²⁹ = 50501355221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51038226193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25519113066 + 25519113067.

It is an arithmetic number, because the mean of its divisors is an integer number (25519113067).

Almost surely, 2^51038226133 is an apocalyptic number.

It is an amenable number.

51038226133 is a deficient number, since it is larger than the sum of its proper divisors (1).

51038226133 is an equidigital number, since it uses as much as digits as its factorization.

51038226133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 51038226133 in words is "fifty-one billion, thirty-eight million, two hundred twenty-six thousand, one hundred thirty-three".