11123890174 has 4 divisors (see below), whose sum is σ = 16685835264. Its totient is φ = 5561945086.

The previous prime is 11123890163. The next prime is 11123890181. The reversal of 11123890174 is 47109832111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47109832111 = 107449 ⋅438439.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2780972542 + ... + 2780972545.

It is an arithmetic number, because the mean of its divisors is an integer number (4171458816).

Almost surely, 2^11123890174 is an apocalyptic number.

11123890174 is a deficient number, since it is larger than the sum of its proper divisors (5561945090).

11123890174 is an equidigital number, since it uses as much as digits as its factorization.

11123890174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561945089.

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 11123890174 in words is "eleven billion, one hundred twenty-three million, eight hundred ninety thousand, one hundred seventy-four".