11131130012 has 12 divisors (see below), whose sum is σ = 20504713320. Its totient is φ = 5272640496.

The previous prime is 11131129981. The next prime is 11131130033. The reversal of 11131130012 is 21003113111.

It is a happy number.

It is a congruent number.

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, 73231043 + ... + 73231194.

It is an arithmetic number, because the mean of its divisors is an integer number (1708726110).

Almost surely, 2^11131130012 is an apocalyptic number.

It is an amenable number.

11131130012 is a deficient number, since it is larger than the sum of its proper divisors (9373583308).

11131130012 is a wasteful number, since it uses less digits than its factorization.

11131130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146462260 (or 146462258 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11131130012 its reverse (21003113111), we get a palindrome (32134243123).

The spelling of 11131130012 in words is "eleven billion, one hundred thirty-one million, one hundred thirty thousand, twelve".