1115413249 has 8 divisors (see below), whose sum is σ = 1162890432. Its totient is φ = 1068915120.

The previous prime is 1115413223. The next prime is 1115413279. The reversal of 1115413249 is 9423145111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115413249 - 2¹⁵ = 1115380481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1115413249.

It is not an unprimeable number, because it can be changed into a prime (1115413279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242437 + ... + 246994.

It is an arithmetic number, because the mean of its divisors is an integer number (145361304).

Almost surely, 2^1115413249 is an apocalyptic number.

It is an amenable number.

1115413249 is a deficient number, since it is larger than the sum of its proper divisors (47477183).

1115413249 is an equidigital number, since it uses as much as digits as its factorization.

1115413249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489527.

The product of its digits is 4320, while the sum is 31.

The square root of 1115413249 is about 33397.8030564886. The cubic root of 1115413249 is about 1037.0792213261.

The spelling of 1115413249 in words is "one billion, one hundred fifteen million, four hundred thirteen thousand, two hundred forty-nine".