1117105512 has 16 divisors (see below), whose sum is σ = 2792763840. Its totient is φ = 372368496.

The previous prime is 1117105501. The next prime is 1117105519. The reversal of 1117105512 is 2155017111.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 46546063 = 1117105512 / (1 + 1 + 1 + 7 + 1 + 0 + 5 + 5 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (1117105519) 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, 23273008 + ... + 23273055.

It is an arithmetic number, because the mean of its divisors is an integer number (174547740).

Almost surely, 2^1117105512 is an apocalyptic number.

1117105512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1117105512 is an abundant number, since it is smaller than the sum of its proper divisors (1675658328).

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

1117105512 is a wasteful number, since it uses less digits than its factorization.

1117105512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46546072 (or 46546068 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 24.

The square root of 1117105512 is about 33423.1283993584. The cubic root of 1117105512 is about 1037.6034288333.

The spelling of 1117105512 in words is "one billion, one hundred seventeen million, one hundred five thousand, five hundred twelve".