1115117292 has 24 divisors (see below), whose sum is σ = 2603801200. Its totient is φ = 371439936.

The previous prime is 1115117291. The next prime is 1115117293. The reversal of 1115117292 is 2927115111.

It is an interprime number because it is at equal distance from previous prime (1115117291) and next prime (1115117293).

It is not an unprimeable number, because it can be changed into a prime (1115117291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15367 + ... + 49662.

Almost surely, 2^1115117292 is an apocalyptic number.

1115117292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115117292 is an abundant number, since it is smaller than the sum of its proper divisors (1488683908).

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

1115117292 is a wasteful number, since it uses less digits than its factorization.

1115117292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66465 (or 66463 counting only the distinct ones).

The product of its digits is 1260, while the sum is 30.

The square root of 1115117292 is about 33393.3719770855. The cubic root of 1115117292 is about 1036.9874891047.

The spelling of 1115117292 in words is "one billion, one hundred fifteen million, one hundred seventeen thousand, two hundred ninety-two".