11303403450 has 24 divisors (see below), whose sum is σ = 28032440928. Its totient is φ = 3014240880.

The previous prime is 11303403409. The next prime is 11303403473. The reversal of 11303403450 is 5430430311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11303403450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37677862 + ... + 37678161.

It is an arithmetic number, because the mean of its divisors is an integer number (1168018372).

Almost surely, 2^11303403450 is an apocalyptic number.

11303403450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11303403450 is an abundant number, since it is smaller than the sum of its proper divisors (16729037478).

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

11303403450 is a wasteful number, since it uses less digits than its factorization.

11303403450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75356038 (or 75356033 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 11303403450 its reverse (5430430311), we get a palindrome (16733833761).

The spelling of 11303403450 in words is "eleven billion, three hundred three million, four hundred three thousand, four hundred fifty".