11420431112 has 32 divisors (see below), whose sum is σ = 21889094400. Its totient is φ = 5583563904.

The previous prime is 11420431079. The next prime is 11420431117. The reversal of 11420431112 is 21113402411.

It is not an unprimeable number, because it can be changed into a prime (11420431117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411053 + ... + 437955.

It is an arithmetic number, because the mean of its divisors is an integer number (684034200).

Almost surely, 2^11420431112 is an apocalyptic number.

It is an amenable number.

11420431112 is a deficient number, since it is larger than the sum of its proper divisors (10468663288).

11420431112 is a wasteful number, since it uses less digits than its factorization.

11420431112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28085 (or 28081 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11420431112 its reverse (21113402411), we get a palindrome (32533833523).

The spelling of 11420431112 in words is "eleven billion, four hundred twenty million, four hundred thirty-one thousand, one hundred twelve".