545215351543 has 2 divisors, whose sum is σ = 545215351544. Its totient is φ = 545215351542.

The previous prime is 545215351511. The next prime is 545215351609. The reversal of 545215351543 is 345153512545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545215351543 - 2⁵ = 545215351511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545215351543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545215351843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272607675771 + 272607675772.

It is an arithmetic number, because the mean of its divisors is an integer number (272607675772).

Almost surely, 2^545215351543 is an apocalyptic number.

545215351543 is a deficient number, since it is larger than the sum of its proper divisors (1).

545215351543 is an equidigital number, since it uses as much as digits as its factorization.

545215351543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 900000, while the sum is 43.

The spelling of 545215351543 in words is "five hundred forty-five billion, two hundred fifteen million, three hundred fifty-one thousand, five hundred forty-three".