5051255121149 has 2 divisors, whose sum is σ = 5051255121150. Its totient is φ = 5051255121148.

The previous prime is 5051255121119. The next prime is 5051255121203. The reversal of 5051255121149 is 9411215521505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2892465525625 + 2158789595524 = 1700725^2 + 1469282^2 .

It is a cyclic number.

It is not a de Polignac number, because 5051255121149 - 2³² = 5046960153853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5051255121119) 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, 2525627560574 + 2525627560575.

It is an arithmetic number, because the mean of its divisors is an integer number (2525627560575).

Almost surely, 2^{5051255121149} is an apocalyptic number.

It is an amenable number.

5051255121149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051255121149 is an equidigital number, since it uses as much as digits as its factorization.

5051255121149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 41.

The spelling of 5051255121149 in words is "five trillion, fifty-one billion, two hundred fifty-five million, one hundred twenty-one thousand, one hundred forty-nine".