551266135471 has 2 divisors, whose sum is σ = 551266135472. Its totient is φ = 551266135470.

The previous prime is 551266135411. The next prime is 551266135477. The reversal of 551266135471 is 174531662155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551266135471 - 2¹¹ = 551266133423 is a prime.

It is a super-3 number, since 3×551266135471³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551266135477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275633067735 + 275633067736.

It is an arithmetic number, because the mean of its divisors is an integer number (275633067736).

Almost surely, 2^551266135471 is an apocalyptic number.

551266135471 is a deficient number, since it is larger than the sum of its proper divisors (1).

551266135471 is an equidigital number, since it uses as much as digits as its factorization.

551266135471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 46.

The spelling of 551266135471 in words is "five hundred fifty-one billion, two hundred sixty-six million, one hundred thirty-five thousand, four hundred seventy-one".