11203403442 has 128 divisors (see below), whose sum is σ = 28617891840. Its totient is φ = 2839311360.

The previous prime is 11203403401. The next prime is 11203403467. The reversal of 11203403442 is 24430430211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9922734 + ... + 9923862.

It is an arithmetic number, because the mean of its divisors is an integer number (223577280).

Almost surely, 2^11203403442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11203403442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14308945920).

11203403442 is an abundant number, since it is smaller than the sum of its proper divisors (17414488398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203403442 is a wasteful number, since it uses less digits than its factorization.

11203403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 11203403442 its reverse (24430430211), we get a palindrome (35633833653).

The spelling of 11203403442 in words is "eleven billion, two hundred three million, four hundred three thousand, four hundred forty-two".