545599995545 has 32 divisors (see below), whose sum is σ = 756471332736. Its totient is φ = 373351552000.

The previous prime is 545599995439. The next prime is 545599995559.

545599995545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545599995545 - 2¹² = 545599991449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3243770 + ... + 3407820.

It is an arithmetic number, because the mean of its divisors is an integer number (23639729148).

Almost surely, 2^545599995545 is an apocalyptic number.

545599995545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545599995545 is a deficient number, since it is larger than the sum of its proper divisors (210871337191).

545599995545 is a wasteful number, since it uses less digits than its factorization.

545599995545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167641.

The product of its digits is 1640250000, while the sum is 74.

The spelling of 545599995545 in words is "five hundred forty-five billion, five hundred ninety-nine million, nine hundred ninety-five thousand, five hundred forty-five".