5541112565 has 4 divisors (see below), whose sum is σ = 6649335084. Its totient is φ = 4432890048.

The previous prime is 5541112553. The next prime is 5541112579. The reversal of 5541112565 is 5652111455.

5541112565 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1972603396 + 3568509169 = 44414^2 + 59737^2 .

It is a cyclic number.

It is not a de Polignac number, because 5541112565 - 2⁶ = 5541112501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554111252 + ... + 554111261.

It is an arithmetic number, because the mean of its divisors is an integer number (1662333771).

Almost surely, 2^5541112565 is an apocalyptic number.

It is an amenable number.

5541112565 is a deficient number, since it is larger than the sum of its proper divisors (1108222519).

5541112565 is a wasteful number, since it uses less digits than its factorization.

5541112565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108222518.

The product of its digits is 30000, while the sum is 35.

The square root of 5541112565 is about 74438.6496720622. The cubic root of 5541112565 is about 1769.5614865889.

It can be divided in two parts, 55411 and 12565, that added together give a palindrome (67976).

The spelling of 5541112565 in words is "five billion, five hundred forty-one million, one hundred twelve thousand, five hundred sixty-five".