11432213420 has 48 divisors (see below), whose sum is σ = 24531903648. Its totient is φ = 4473530880.

The previous prime is 11432213383. The next prime is 11432213423. The reversal of 11432213420 is 2431223411.

It is not an unprimeable number, because it can be changed into a prime (11432213423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352280 + ... + 383360.

It is an arithmetic number, because the mean of its divisors is an integer number (511081326).

Almost surely, 2^11432213420 is an apocalyptic number.

11432213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11432213420 is an abundant number, since it is smaller than the sum of its proper divisors (13099690228).

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

11432213420 is a wasteful number, since it uses less digits than its factorization.

11432213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31490 (or 31488 counting only the distinct ones).

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

Adding to 11432213420 its reverse (2431223411), we get a palindrome (13863436831).

Subtracting from 11432213420 its reverse (2431223411), we obtain a palindrome (9000990009).

The spelling of 11432213420 in words is "eleven billion, four hundred thirty-two million, two hundred thirteen thousand, four hundred twenty".