11201642 has 8 divisors (see below), whose sum is σ = 16829316. Its totient is φ = 5591872.

The previous prime is 11201611. The next prime is 11201653. The reversal of 11201642 is 24610211.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 2493241 = 2951^2 + 1579^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11201642.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2783 + ... + 5490.

Almost surely, 2^11201642 is an apocalyptic number.

11201642 is a deficient number, since it is larger than the sum of its proper divisors (5627674).

11201642 is an equidigital number, since it uses as much as digits as its factorization.

11201642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 11201642 is about 3346.8854178176. The cubic root of 11201642 is about 223.7487217346.

Adding to 11201642 its reverse (24610211), we get a palindrome (35811853).

The spelling of 11201642 in words is "eleven million, two hundred one thousand, six hundred forty-two".