551120144149 has 2 divisors, whose sum is σ = 551120144150. Its totient is φ = 551120144148.

The previous prime is 551120144117. The next prime is 551120144189. The reversal of 551120144149 is 941441021155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477836240049 + 73283904100 = 691257^2 + 270710^2 .

It is a cyclic number.

It is not a de Polignac number, because 551120144149 - 2⁵ = 551120144117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551120144189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275560072074 + 275560072075.

It is an arithmetic number, because the mean of its divisors is an integer number (275560072075).

Almost surely, 2^551120144149 is an apocalyptic number.

It is an amenable number.

551120144149 is a deficient number, since it is larger than the sum of its proper divisors (1).

551120144149 is an equidigital number, since it uses as much as digits as its factorization.

551120144149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 551120144149 in words is "five hundred fifty-one billion, one hundred twenty million, one hundred forty-four thousand, one hundred forty-nine".