545254211123 has 2 divisors, whose sum is σ = 545254211124. Its totient is φ = 545254211122.

The previous prime is 545254211107. The next prime is 545254211153. The reversal of 545254211123 is 321112452545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545254211123 - 2⁴ = 545254211107 is a prime.

It is a super-2 number, since 2×545254211123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545254211153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272627105561 + 272627105562.

It is an arithmetic number, because the mean of its divisors is an integer number (272627105562).

Almost surely, 2^545254211123 is an apocalyptic number.

545254211123 is a deficient number, since it is larger than the sum of its proper divisors (1).

545254211123 is an equidigital number, since it uses as much as digits as its factorization.

545254211123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 35.

Adding to 545254211123 its reverse (321112452545), we get a palindrome (866366663668).

The spelling of 545254211123 in words is "five hundred forty-five billion, two hundred fifty-four million, two hundred eleven thousand, one hundred twenty-three".