9911131112 has 16 divisors (see below), whose sum is σ = 19391343840. Its totient is φ = 4740106096.

The previous prime is 9911131091. The next prime is 9911131129. The reversal of 9911131112 is 2111311199.

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, 26932238 + ... + 26932605.

It is an arithmetic number, because the mean of its divisors is an integer number (1211958990).

Almost surely, 2^9911131112 is an apocalyptic number.

9911131112 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9911131112 is a deficient number, since it is larger than the sum of its proper divisors (9480212728).

9911131112 is a wasteful number, since it uses less digits than its factorization.

9911131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53864872 (or 53864868 counting only the distinct ones).

The product of its digits is 486, while the sum is 29.

The square root of 9911131112 is about 99554.6639389637. The cubic root of 9911131112 is about 2148.0336167027.

The spelling of 9911131112 in words is "nine billion, nine hundred eleven million, one hundred thirty-one thousand, one hundred twelve".