1153360409 has 4 divisors (see below), whose sum is σ = 1153612416. Its totient is φ = 1153108404.

The previous prime is 1153360399. The next prime is 1153360459. The reversal of 1153360409 is 9040633511.

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 1153360409 - 2²⁴ = 1136583193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153360459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119009 + ... + 128334.

It is an arithmetic number, because the mean of its divisors is an integer number (288403104).

Almost surely, 2^1153360409 is an apocalyptic number.

It is an amenable number.

1153360409 is a deficient number, since it is larger than the sum of its proper divisors (252007).

1153360409 is an equidigital number, since it uses as much as digits as its factorization.

1153360409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252006.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1153360409 is about 33961.1603011440. The cubic root of 1153360409 is about 1048.7090435254.

The spelling of 1153360409 in words is "one billion, one hundred fifty-three million, three hundred sixty thousand, four hundred nine".