11038642 has 4 divisors (see below), whose sum is σ = 16557966. Its totient is φ = 5519320.

The previous prime is 11038619. The next prime is 11038649. The reversal of 11038642 is 24683011.

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., 6548481 + 4490161 = 2559^2 + 2119^2 .

It is not an unprimeable number, because it can be changed into a prime (11038649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2759659 + ... + 2759662.

Almost surely, 2^11038642 is an apocalyptic number.

11038642 is a deficient number, since it is larger than the sum of its proper divisors (5519324).

11038642 is an equidigital number, since it uses as much as digits as its factorization.

11038642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519323.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 11038642 is about 3322.4451838969. The cubic root of 11038642 is about 222.6581260345.

The spelling of 11038642 in words is "eleven million, thirty-eight thousand, six hundred forty-two".