551545545143 has 2 divisors, whose sum is σ = 551545545144. Its totient is φ = 551545545142.

The previous prime is 551545545137. The next prime is 551545545169. The reversal of 551545545143 is 341545545155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551545545143 - 2⁴ = 551545545127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551545545643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275772772571 + 275772772572.

It is an arithmetic number, because the mean of its divisors is an integer number (275772772572).

Almost surely, 2^551545545143 is an apocalyptic number.

551545545143 is a deficient number, since it is larger than the sum of its proper divisors (1).

551545545143 is an equidigital number, since it uses as much as digits as its factorization.

551545545143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000000, while the sum is 47.

The spelling of 551545545143 in words is "five hundred fifty-one billion, five hundred forty-five million, five hundred forty-five thousand, one hundred forty-three".