11171241439 has 4 divisors (see below), whose sum is σ = 11171651256. Its totient is φ = 11170831624.

The previous prime is 11171241421. The next prime is 11171241461. The reversal of 11171241439 is 93414217111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93414217111 = 19231 ⋅4857481.

It is a cyclic number.

It is not a de Polignac number, because 11171241439 - 2⁵ = 11171241407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11171241469) 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, 160864 + ... + 219589.

It is an arithmetic number, because the mean of its divisors is an integer number (2792912814).

Almost surely, 2^11171241439 is an apocalyptic number.

11171241439 is a deficient number, since it is larger than the sum of its proper divisors (409817).

11171241439 is an equidigital number, since it uses as much as digits as its factorization.

11171241439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409816.

The product of its digits is 6048, while the sum is 34.

The spelling of 11171241439 in words is "eleven billion, one hundred seventy-one million, two hundred forty-one thousand, four hundred thirty-nine".