1155134533 has 16 divisors (see below), whose sum is σ = 1355429376. Its totient is φ = 963768960.

The previous prime is 1155134527. The next prime is 1155134567. The reversal of 1155134533 is 3354315511.

It is not a de Polignac number, because 1155134533 - 2¹⁷ = 1155003461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155134495 and 1155134504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155134503) 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, 128535 + ... + 137227.

It is an arithmetic number, because the mean of its divisors is an integer number (84714336).

Almost surely, 2^1155134533 is an apocalyptic number.

It is an amenable number.

1155134533 is a deficient number, since it is larger than the sum of its proper divisors (200294843).

1155134533 is an equidigital number, since it uses as much as digits as its factorization.

1155134533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9204.

The product of its digits is 13500, while the sum is 31.

The square root of 1155134533 is about 33987.2701610471. The cubic root of 1155134533 is about 1049.2464837187.

The spelling of 1155134533 in words is "one billion, one hundred fifty-five million, one hundred thirty-four thousand, five hundred thirty-three".