551123048783 has 2 divisors, whose sum is σ = 551123048784. Its totient is φ = 551123048782.

The previous prime is 551123048771. The next prime is 551123048797. The reversal of 551123048783 is 387840321155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551123048783 - 2⁶ = 551123048719 is a prime.

It is a super-2 number, since 2×551123048783² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551123048713) 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, 275561524391 + 275561524392.

It is an arithmetic number, because the mean of its divisors is an integer number (275561524392).

Almost surely, 2^551123048783 is an apocalyptic number.

551123048783 is a deficient number, since it is larger than the sum of its proper divisors (1).

551123048783 is an equidigital number, since it uses as much as digits as its factorization.

551123048783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 551123048783 in words is "five hundred fifty-one billion, one hundred twenty-three million, forty-eight thousand, seven hundred eighty-three".