1147011533 has 4 divisors (see below), whose sum is σ = 1148347680. Its totient is φ = 1145675388.

The previous prime is 1147011529. The next prime is 1147011571. The reversal of 1147011533 is 3351107411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1147011533 - 2² = 1147011529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147011583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666785 + ... + 668502.

It is an arithmetic number, because the mean of its divisors is an integer number (287086920).

Almost surely, 2^1147011533 is an apocalyptic number.

It is an amenable number.

1147011533 is a deficient number, since it is larger than the sum of its proper divisors (1336147).

1147011533 is an equidigital number, since it uses as much as digits as its factorization.

1147011533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336146.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1147011533 is about 33867.5587103647. The cubic root of 1147011533 is about 1046.7812338360.

Adding to 1147011533 its reverse (3351107411), we get a palindrome (4498118944).

The spelling of 1147011533 in words is "one billion, one hundred forty-seven million, eleven thousand, five hundred thirty-three".