11004021432 has 48 divisors (see below), whose sum is σ = 29809882440. Its totient is φ = 3667105728.

The previous prime is 11004021419. The next prime is 11004021433. The reversal of 11004021432 is 23412040011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004021433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317838 + ... + 350754.

Almost surely, 2^11004021432 is an apocalyptic number.

11004021432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11004021432 is an abundant number, since it is smaller than the sum of its proper divisors (18805861008).

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

11004021432 is a wasteful number, since it uses less digits than its factorization.

11004021432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37572 (or 37565 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11004021432 its reverse (23412040011), we get a palindrome (34416061443).

The spelling of 11004021432 in words is "eleven billion, four million, twenty-one thousand, four hundred thirty-two".