1115117320 has 32 divisors (see below), whose sum is σ = 2513459520. Its totient is φ = 445256640.

The previous prime is 1115117293. The next prime is 1115117351. The reversal of 1115117320 is 237115111.

It is a junction number, because it is equal to n+sod(n) for n = 1115117291 and 1115117300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572 + ... + 47251.

It is an arithmetic number, because the mean of its divisors is an integer number (78545610).

Almost surely, 2^1115117320 is an apocalyptic number.

1115117320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115117320 is an abundant number, since it is smaller than the sum of its proper divisors (1398342200).

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

1115117320 is a wasteful number, since it uses less digits than its factorization.

1115117320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49405 (or 49401 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 1115117320 is about 33393.3723963304. The cubic root of 1115117320 is about 1036.9874977841.

The spelling of 1115117320 in words is "one billion, one hundred fifteen million, one hundred seventeen thousand, three hundred twenty".