11203303642 has 4 divisors (see below), whose sum is σ = 16804955466. Its totient is φ = 5601651820.

The previous prime is 11203303609. The next prime is 11203303651. The reversal of 11203303642 is 24630330211.

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., 11159598321 + 43705321 = 105639^2 + 6611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800825909 + ... + 2800825912.

Almost surely, 2^11203303642 is an apocalyptic number.

11203303642 is a deficient number, since it is larger than the sum of its proper divisors (5601651824).

11203303642 is an equidigital number, since it uses as much as digits as its factorization.

11203303642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601651823.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 11203303642 its reverse (24630330211), we get a palindrome (35833633853).

The spelling of 11203303642 in words is "eleven billion, two hundred three million, three hundred three thousand, six hundred forty-two".