1131113112 has 16 divisors (see below), whose sum is σ = 2827782840. Its totient is φ = 377037696.

The previous prime is 1131113107. The next prime is 1131113197. The reversal of 1131113112 is 2113111311.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1131113091 and 1131113100.

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, 23564833 + ... + 23564880.

Almost surely, 2^1131113112 is an apocalyptic number.

1131113112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131113112 is an abundant number, since it is smaller than the sum of its proper divisors (1696669728).

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

1131113112 is a wasteful number, since it uses less digits than its factorization.

1131113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47129722 (or 47129718 counting only the distinct ones).

The product of its digits is 18, while the sum is 15.

The square root of 1131113112 is about 33632.0250951381. The cubic root of 1131113112 is about 1041.9223296967.

Adding to 1131113112 its reverse (2113111311), we get a palindrome (3244224423).

It can be divided in two parts, 113111311 and 2, that multiplied together give a palindrome (226222622).

The spelling of 1131113112 in words is "one billion, one hundred thirty-one million, one hundred thirteen thousand, one hundred twelve".