551422120555487 has 2 divisors, whose sum is σ = 551422120555488. Its totient is φ = 551422120555486.

The previous prime is 551422120555483. The next prime is 551422120555529. The reversal of 551422120555487 is 784555021224155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551422120555487 - 2² = 551422120555483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551422120555483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275711060277743 + 275711060277744.

It is an arithmetic number, because the mean of its divisors is an integer number (275711060277744).

Almost surely, 2^{551422120555487} is an apocalyptic number.

551422120555487 is a deficient number, since it is larger than the sum of its proper divisors (1).

551422120555487 is an equidigital number, since it uses as much as digits as its factorization.

551422120555487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400000, while the sum is 56.

The spelling of 551422120555487 in words is "five hundred fifty-one trillion, four hundred twenty-two billion, one hundred twenty million, five hundred fifty-five thousand, four hundred eighty-seven".