11001442 has 4 divisors (see below), whose sum is σ = 16502166. Its totient is φ = 5500720.

The previous prime is 11001439. The next prime is 11001443. The reversal of 11001442 is 24410011.

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., 7349521 + 3651921 = 2711^2 + 1911^2 .

It is not an unprimeable number, because it can be changed into a prime (11001443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750359 + ... + 2750362.

Almost surely, 2^11001442 is an apocalyptic number.

11001442 is a deficient number, since it is larger than the sum of its proper divisors (5500724).

11001442 is an equidigital number, since it uses as much as digits as its factorization.

11001442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500723.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11001442 is about 3316.8421729109. The cubic root of 11001442 is about 222.4077267514.

Adding to 11001442 its reverse (24410011), we get a palindrome (35411453).

The spelling of 11001442 in words is "eleven million, one thousand, four hundred forty-two".