11280194 has 8 divisors (see below), whose sum is σ = 17034300. Its totient is φ = 5602096.

The previous prime is 11280193. The next prime is 11280211. The reversal of 11280194 is 49108211.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 3367225 = 2813^2 + 1835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11280193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18629 + ... + 19224.

Almost surely, 2^11280194 is an apocalyptic number.

11280194 is a deficient number, since it is larger than the sum of its proper divisors (5754106).

11280194 is a wasteful number, since it uses less digits than its factorization.

11280194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38004.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11280194 is about 3358.6000059549. The cubic root of 11280194 is about 224.2705197877.

The spelling of 11280194 in words is "eleven million, two hundred eighty thousand, one hundred ninety-four".