11291132173 has 2 divisors, whose sum is σ = 11291132174. Its totient is φ = 11291132172.

The previous prime is 11291132159. The next prime is 11291132189. The reversal of 11291132173 is 37123119211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9033171849 + 2257960324 = 95043^2 + 47518^2 .

It is a cyclic number.

It is not a de Polignac number, because 11291132173 - 2²⁵ = 11257577741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11291132143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5645566086 + 5645566087.

It is an arithmetic number, because the mean of its divisors is an integer number (5645566087).

Almost surely, 2^11291132173 is an apocalyptic number.

It is an amenable number.

11291132173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11291132173 is an equidigital number, since it uses as much as digits as its factorization.

11291132173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The spelling of 11291132173 in words is "eleven billion, two hundred ninety-one million, one hundred thirty-two thousand, one hundred seventy-three".