545011111 has 8 divisors (see below), whose sum is σ = 558193680. Its totient is φ = 531851712.

The previous prime is 545011079. The next prime is 545011127. The reversal of 545011111 is 111110545.

545011111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545011111 - 2⁵ = 545011079 is a prime.

It is a super-2 number, since 2×545011111² = 594074222226908642, which contains 22 as substring.

It is a Duffinian number.

545011111 is a modest number, since divided by 11111 gives 5450 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545015111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47691 + ... + 58003.

It is an arithmetic number, because the mean of its divisors is an integer number (69774210).

Almost surely, 2^545011111 is an apocalyptic number.

545011111 is a deficient number, since it is larger than the sum of its proper divisors (13182569).

545011111 is a wasteful number, since it uses less digits than its factorization.

545011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 545011111 is about 23345.4730301187. The cubic root of 545011111 is about 816.8364679458.

Adding to 545011111 its reverse (111110545), we get a palindrome (656121656).

It can be divided in two parts, 5450 and 11111, that added together give a palindrome (16561).

The spelling of 545011111 in words is "five hundred forty-five million, eleven thousand, one hundred eleven".