545020411517 has 2 divisors, whose sum is σ = 545020411518. Its totient is φ = 545020411516.

The previous prime is 545020411379. The next prime is 545020411531. The reversal of 545020411517 is 715114020545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504091480036 + 40928931481 = 709994^2 + 202309^2 .

It is a cyclic number.

It is not a de Polignac number, because 545020411517 - 2³⁸ = 270142504573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545020411547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272510205758 + 272510205759.

It is an arithmetic number, because the mean of its divisors is an integer number (272510205759).

Almost surely, 2^545020411517 is an apocalyptic number.

It is an amenable number.

545020411517 is a deficient number, since it is larger than the sum of its proper divisors (1).

545020411517 is an equidigital number, since it uses as much as digits as its factorization.

545020411517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The spelling of 545020411517 in words is "five hundred forty-five billion, twenty million, four hundred eleven thousand, five hundred seventeen".