1115433153 has 32 divisors (see below), whose sum is σ = 1680268800. Its totient is φ = 731203200.

The previous prime is 1115433149. The next prime is 1115433169. The reversal of 1115433153 is 3513345111.

It is a happy number.

1115433153 is a `hidden beast` number, since 111 + 543 + 3 + 1 + 5 + 3 = 666.

It is not a de Polignac number, because 1115433153 - 2² = 1115433149 is a prime.

It is a super-2 number, since 2×1115433153² = 2488382237623042818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1115433113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598443 + ... + 600303.

It is an arithmetic number, because the mean of its divisors is an integer number (52508400).

Almost surely, 2^1115433153 is an apocalyptic number.

It is an amenable number.

1115433153 is a deficient number, since it is larger than the sum of its proper divisors (564835647).

1115433153 is a wasteful number, since it uses less digits than its factorization.

1115433153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230 (or 2224 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1115433153 is about 33398.1010388315. The cubic root of 1115433153 is about 1037.0853900121.

Adding to 1115433153 its reverse (3513345111), we get a palindrome (4628778264).

The spelling of 1115433153 in words is "one billion, one hundred fifteen million, four hundred thirty-three thousand, one hundred fifty-three".