11131330412 has 12 divisors (see below), whose sum is σ = 19491553536. Its totient is φ = 5562315120.

The previous prime is 11131330411. The next prime is 11131330421. The reversal of 11131330412 is 21403313111.

It is a super-2 number, since 2×11131330412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11131330411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830039 + ... + 843342.

It is an arithmetic number, because the mean of its divisors is an integer number (1624296128).

Almost surely, 2^11131330412 is an apocalyptic number.

It is an amenable number.

11131330412 is a deficient number, since it is larger than the sum of its proper divisors (8360223124).

11131330412 is a wasteful number, since it uses less digits than its factorization.

11131330412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675048 (or 1675046 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11131330412 its reverse (21403313111), we get a palindrome (32534643523).

The spelling of 11131330412 in words is "eleven billion, one hundred thirty-one million, three hundred thirty thousand, four hundred twelve".