11128220674 has 4 divisors (see below), whose sum is σ = 16692331014. Its totient is φ = 5564110336.

The previous prime is 11128220669. The next prime is 11128220717. The reversal of 11128220674 is 47602282111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6423221025 + 4704999649 = 80145^2 + 68593^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782055167 + ... + 2782055170.

Almost surely, 2^11128220674 is an apocalyptic number.

11128220674 is a deficient number, since it is larger than the sum of its proper divisors (5564110340).

11128220674 is an equidigital number, since it uses as much as digits as its factorization.

11128220674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564110339.

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 11128220674 in words is "eleven billion, one hundred twenty-eight million, two hundred twenty thousand, six hundred seventy-four".