51122444099 has 2 divisors, whose sum is σ = 51122444100. Its totient is φ = 51122444098.

The previous prime is 51122444089. The next prime is 51122444117. The reversal of 51122444099 is 99044422115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51122444099 - 2²⁸ = 50854008643 is a prime.

It is a super-2 number, since 2×51122444099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51122444089) 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, 25561222049 + 25561222050.

It is an arithmetic number, because the mean of its divisors is an integer number (25561222050).

Almost surely, 2^51122444099 is an apocalyptic number.

51122444099 is a deficient number, since it is larger than the sum of its proper divisors (1).

51122444099 is an equidigital number, since it uses as much as digits as its factorization.

51122444099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 51122444099 in words is "fifty-one billion, one hundred twenty-two million, four hundred forty-four thousand, ninety-nine".