11031440432 has 40 divisors (see below), whose sum is σ = 22517487360. Its totient is φ = 5220970560.

The previous prime is 11031440419. The next prime is 11031440467. The reversal of 11031440432 is 23404413011.

It is a junction number, because it is equal to n+sod(n) for n = 11031440398 and 11031440407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356957 + ... + 386627.

It is an arithmetic number, because the mean of its divisors is an integer number (562937184).

Almost surely, 2^11031440432 is an apocalyptic number.

It is an amenable number.

11031440432 is an abundant number, since it is smaller than the sum of its proper divisors (11486046928).

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

11031440432 is a wasteful number, since it uses less digits than its factorization.

11031440432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30921 (or 30915 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11031440432 its reverse (23404413011), we get a palindrome (34435853443).

The spelling of 11031440432 in words is "eleven billion, thirty-one million, four hundred forty thousand, four hundred thirty-two".