11403321032 has 16 divisors (see below), whose sum is σ = 21460715100. Its totient is φ = 5680463680.

The previous prime is 11403321031. The next prime is 11403321037. The reversal of 11403321032 is 23012330411.

It can be written as a sum of positive squares in 2 ways, for example, as 11237272036 + 166048996 = 106006^2 + 12886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11403320995 and 11403321013.

It is not an unprimeable number, because it can be changed into a prime (11403321031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2647319 + ... + 2651622.

Almost surely, 2^11403321032 is an apocalyptic number.

It is an amenable number.

11403321032 is a deficient number, since it is larger than the sum of its proper divisors (10057394068).

11403321032 is a wasteful number, since it uses less digits than its factorization.

11403321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299216 (or 5299212 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11403321032 its reverse (23012330411), we get a palindrome (34415651443).

The spelling of 11403321032 in words is "eleven billion, four hundred three million, three hundred twenty-one thousand, thirty-two".