1131320113112 has 64 divisors (see below), whose sum is σ = 2552820288000. Its totient is φ = 459158305536.

The previous prime is 1131320113103. The next prime is 1131320113129. The reversal of 1131320113112 is 2113110231311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615564 + ... + 3017252.

It is an arithmetic number, because the mean of its divisors is an integer number (39887817000).

Almost surely, 2^{1131320113112} is an apocalyptic number.

It is an amenable number.

1131320113112 is an abundant number, since it is smaller than the sum of its proper divisors (1421500174888).

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

1131320113112 is a wasteful number, since it uses less digits than its factorization.

1131320113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404368 (or 404364 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1131320113112 its reverse (2113110231311), we get a palindrome (3244430344423).

The spelling of 1131320113112 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, one hundred thirteen thousand, one hundred twelve".