11173528811 has 2 divisors, whose sum is σ = 11173528812. Its totient is φ = 11173528810.

The previous prime is 11173528789. The next prime is 11173528853. The reversal of 11173528811 is 11882537111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11173528811 - 2²² = 11169334507 is a prime.

It is not a weakly prime, because it can be changed into another prime (11173528411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586764405 + 5586764406.

It is an arithmetic number, because the mean of its divisors is an integer number (5586764406).

Almost surely, 2^11173528811 is an apocalyptic number.

11173528811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173528811 is an equidigital number, since it uses as much as digits as its factorization.

11173528811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 38.

The spelling of 11173528811 in words is "eleven billion, one hundred seventy-three million, five hundred twenty-eight thousand, eight hundred eleven".