5561233345 has 4 divisors (see below), whose sum is σ = 6673480020. Its totient is φ = 4448986672.

The previous prime is 5561233303. The next prime is 5561233351. The reversal of 5561233345 is 5433321655.

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 1877228929 + 3684004416 = 43327^2 + 60696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5561233345 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 556123330 + ... + 556123339.

It is an arithmetic number, because the mean of its divisors is an integer number (1668370005).

Almost surely, 2^5561233345 is an apocalyptic number.

It is an amenable number.

5561233345 is a deficient number, since it is larger than the sum of its proper divisors (1112246675).

5561233345 is a wasteful number, since it uses less digits than its factorization.

5561233345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112246674.

The product of its digits is 162000, while the sum is 37.

The square root of 5561233345 is about 74573.6772929966. The cubic root of 5561233345 is about 1771.7007650383.

The spelling of 5561233345 in words is "five billion, five hundred sixty-one million, two hundred thirty-three thousand, three hundred forty-five".