1153289867 has 4 divisors (see below), whose sum is σ = 1164486960. Its totient is φ = 1142092776.

The previous prime is 1153289821. The next prime is 1153289881. The reversal of 1153289867 is 7689823511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1153289867 - 2²⁰ = 1152241291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153289167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5598392 + ... + 5598597.

It is an arithmetic number, because the mean of its divisors is an integer number (291121740).

Almost surely, 2^1153289867 is an apocalyptic number.

1153289867 is a deficient number, since it is larger than the sum of its proper divisors (11197093).

1153289867 is a wasteful number, since it uses less digits than its factorization.

1153289867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197092.

The product of its digits is 725760, while the sum is 50.

The square root of 1153289867 is about 33960.1217165074. The cubic root of 1153289867 is about 1048.6876626569.

The spelling of 1153289867 in words is "one billion, one hundred fifty-three million, two hundred eighty-nine thousand, eight hundred sixty-seven".