11270205545 has 4 divisors (see below), whose sum is σ = 13524246660. Its totient is φ = 9016164432.

The previous prime is 11270205503. The next prime is 11270205553. The reversal of 11270205545 is 54550207211.

11270205545 is digitally balanced in base 2, 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 3110515984 + 8159689561 = 55772^2 + 90331^2 .

It is a cyclic number.

It is not a de Polignac number, because 11270205545 - 2⁶ = 11270205481 is a prime.

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, 1127020550 + ... + 1127020559.

It is an arithmetic number, because the mean of its divisors is an integer number (3381061665).

Almost surely, 2^11270205545 is an apocalyptic number.

It is an amenable number.

11270205545 is a deficient number, since it is larger than the sum of its proper divisors (2254041115).

11270205545 is an equidigital number, since it uses as much as digits as its factorization.

11270205545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254041114.

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 11270205545 in words is "eleven billion, two hundred seventy million, two hundred five thousand, five hundred forty-five".