551120144117 has 2 divisors, whose sum is σ = 551120144118. Its totient is φ = 551120144116.

The previous prime is 551120144093. The next prime is 551120144149. The reversal of 551120144117 is 711441021155.

It is an a-pointer prime, because the next prime (551120144149) can be obtained adding 551120144117 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546237768241 + 4882375876 = 739079^2 + 69874^2 .

It is a cyclic number.

It is not a de Polignac number, because 551120144117 - 2²⁴ = 551103366901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551120143117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275560072058 + 275560072059.

It is an arithmetic number, because the mean of its divisors is an integer number (275560072059).

Almost surely, 2^551120144117 is an apocalyptic number.

It is an amenable number.

551120144117 is a deficient number, since it is larger than the sum of its proper divisors (1).

551120144117 is an equidigital number, since it uses as much as digits as its factorization.

551120144117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 32.

The spelling of 551120144117 in words is "five hundred fifty-one billion, one hundred twenty million, one hundred forty-four thousand, one hundred seventeen".