545513315545 has 64 divisors (see below), whose sum is σ = 726014016000. Its totient is φ = 390200688640.

The previous prime is 545513315539. The next prime is 545513315591.

545513315545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545513315545 - 2⁵ = 545513315513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545513315495 and 545513315504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 650194236 + ... + 650195074.

It is an arithmetic number, because the mean of its divisors is an integer number (11343969000).

Almost surely, 2^545513315545 is an apocalyptic number.

545513315545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545513315545 is a deficient number, since it is larger than the sum of its proper divisors (180500700455).

545513315545 is a wasteful number, since it uses less digits than its factorization.

545513315545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650.

The product of its digits is 2250000, while the sum is 46.

The spelling of 545513315545 in words is "five hundred forty-five billion, five hundred thirteen million, three hundred fifteen thousand, five hundred forty-five".