11178828223 has 4 divisors (see below), whose sum is σ = 11416675680. Its totient is φ = 10940980768.

The previous prime is 11178828187. The next prime is 11178828251. The reversal of 11178828223 is 32282887111.

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 11178828223 - 2⁹ = 11178827711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11178828223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11178828263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118923658 + ... + 118923751.

It is an arithmetic number, because the mean of its divisors is an integer number (2854168920).

Almost surely, 2^11178828223 is an apocalyptic number.

11178828223 is a deficient number, since it is larger than the sum of its proper divisors (237847457).

11178828223 is an equidigital number, since it uses as much as digits as its factorization.

11178828223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237847456.

The product of its digits is 86016, while the sum is 43.

The spelling of 11178828223 in words is "eleven billion, one hundred seventy-eight million, eight hundred twenty-eight thousand, two hundred twenty-three".