11473497811 has 4 divisors (see below), whose sum is σ = 11474021592. Its totient is φ = 11472974032.

The previous prime is 11473497797. The next prime is 11473497839. The reversal of 11473497811 is 11879437411.

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

It is a cyclic number.

It is not a de Polignac number, because 11473497811 - 2¹¹ = 11473495763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11473497311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227530 + ... + 273343.

It is an arithmetic number, because the mean of its divisors is an integer number (2868505398).

Almost surely, 2^11473497811 is an apocalyptic number.

11473497811 is a deficient number, since it is larger than the sum of its proper divisors (523781).

11473497811 is an equidigital number, since it uses as much as digits as its factorization.

11473497811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523780.

The product of its digits is 169344, while the sum is 46.

The spelling of 11473497811 in words is "eleven billion, four hundred seventy-three million, four hundred ninety-seven thousand, eight hundred eleven".