11143450032 has 80 divisors (see below), whose sum is σ = 33820002048. Its totient is φ = 3117047040.

The previous prime is 11143449997. The next prime is 11143450033. The reversal of 11143450032 is 23005434111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11143449984 and 11143450011.

It is not an unprimeable number, because it can be changed into a prime (11143450033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804868 + ... + 818595.

Almost surely, 2^11143450032 is an apocalyptic number.

11143450032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11143450032 is an abundant number, since it is smaller than the sum of its proper divisors (22676552016).

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

11143450032 is a wasteful number, since it uses less digits than its factorization.

11143450032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623498 (or 1623492 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11143450032 its reverse (23005434111), we get a palindrome (34148884143).

The spelling of 11143450032 in words is "eleven billion, one hundred forty-three million, four hundred fifty thousand, thirty-two".