1155133368 has 48 divisors (see below), whose sum is σ = 3151020600. Its totient is φ = 382271040.

The previous prime is 1155133363. The next prime is 1155133387. The reversal of 1155133368 is 8633315511.

1155133368 is a `hidden beast` number, since 11 + 551 + 3 + 33 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155133363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47703 + ... + 67718.

Almost surely, 2^1155133368 is an apocalyptic number.

1155133368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1155133368 is an abundant number, since it is smaller than the sum of its proper divisors (1995887232).

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

1155133368 is a wasteful number, since it uses less digits than its factorization.

1155133368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115572 (or 115565 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 1155133368 is about 33987.2530222729. The cubic root of 1155133368 is about 1049.2461309827.

Adding to 1155133368 its reverse (8633315511), we get a palindrome (9788448879).

The spelling of 1155133368 in words is "one billion, one hundred fifty-five million, one hundred thirty-three thousand, three hundred sixty-eight".