11288042 has 4 divisors (see below), whose sum is σ = 16932066. Its totient is φ = 5644020.

The previous prime is 11288023. The next prime is 11288089. The reversal of 11288042 is 24088211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24088211 = 7 ⋅3441173.

It can be written as a sum of positive squares in only one way, i.e., 8462281 + 2825761 = 2909^2 + 1681^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822009 + ... + 2822012.

Almost surely, 2^11288042 is an apocalyptic number.

11288042 is a deficient number, since it is larger than the sum of its proper divisors (5644024).

11288042 is an equidigital number, since it uses as much as digits as its factorization.

11288042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644023.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 11288042 is about 3359.7681467625. The cubic root of 11288042 is about 224.3225185097.

The spelling of 11288042 in words is "eleven million, two hundred eighty-eight thousand, forty-two".