11131424012 has 12 divisors (see below), whose sum is σ = 19484177496. Its totient is φ = 5564516160.

The previous prime is 11131424009. The next prime is 11131424071. The reversal of 11131424012 is 21042413111.

It is a super-2 number, since 2×11131424012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277853 + ... + 315380.

It is an arithmetic number, because the mean of its divisors is an integer number (1623681458).

Almost surely, 2^11131424012 is an apocalyptic number.

It is an amenable number.

11131424012 is a deficient number, since it is larger than the sum of its proper divisors (8352753484).

11131424012 is a wasteful number, since it uses less digits than its factorization.

11131424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597928 (or 597926 counting only the distinct ones).

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

Adding to 11131424012 its reverse (21042413111), we get a palindrome (32173837123).

The spelling of 11131424012 in words is "eleven billion, one hundred thirty-one million, four hundred twenty-four thousand, twelve".