11205703445 has 4 divisors (see below), whose sum is σ = 13446844140. Its totient is φ = 8964562752.

The previous prime is 11205703441. The next prime is 11205703447. The reversal of 11205703445 is 54430750211.

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 7705679524 + 3500023921 = 87782^2 + 59161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11205703445 - 2² = 11205703441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205703441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120570340 + ... + 1120570349.

It is an arithmetic number, because the mean of its divisors is an integer number (3361711035).

Almost surely, 2^11205703445 is an apocalyptic number.

It is an amenable number.

11205703445 is a deficient number, since it is larger than the sum of its proper divisors (2241140695).

11205703445 is an equidigital number, since it uses as much as digits as its factorization.

11205703445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241140694.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 11205703445 in words is "eleven billion, two hundred five million, seven hundred three thousand, four hundred forty-five".