11171703667 has 4 divisors (see below), whose sum is σ = 11171923840. Its totient is φ = 11171483496.

The previous prime is 11171703659. The next prime is 11171703679. The reversal of 11171703667 is 76630717111.

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 11171703667 - 2³ = 11171703659 is a prime.

It is a super-2 number, since 2×11171703667² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11171703167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8878 + ... + 149740.

It is an arithmetic number, because the mean of its divisors is an integer number (2792980960).

Almost surely, 2^11171703667 is an apocalyptic number.

11171703667 is a deficient number, since it is larger than the sum of its proper divisors (220173).

11171703667 is an equidigital number, since it uses as much as digits as its factorization.

11171703667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220172.

The product of its (nonzero) digits is 37044, while the sum is 40.

The spelling of 11171703667 in words is "eleven billion, one hundred seventy-one million, seven hundred three thousand, six hundred sixty-seven".