1151533233 has 16 divisors (see below), whose sum is σ = 1806327360. Its totient is φ = 722530368.

The previous prime is 1151533231. The next prime is 1151533237. The reversal of 1151533233 is 3323351511.

It is not a de Polignac number, because 1151533233 - 2¹ = 1151533231 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1151533197 and 1151533206.

It is not an unprimeable number, because it can be changed into a prime (1151533231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253935 + ... + 1254852.

It is an arithmetic number, because the mean of its divisors is an integer number (112895460).

Almost surely, 2^1151533233 is an apocalyptic number.

It is an amenable number.

1151533233 is a deficient number, since it is larger than the sum of its proper divisors (654794127).

1151533233 is a wasteful number, since it uses less digits than its factorization.

1151533233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508813 (or 2508807 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1151533233 is about 33934.2486729852. The cubic root of 1151533233 is about 1048.1549557332.

Adding to 1151533233 its reverse (3323351511), we get a palindrome (4474884744).

The spelling of 1151533233 in words is "one billion, one hundred fifty-one million, five hundred thirty-three thousand, two hundred thirty-three".