1153320215 has 8 divisors (see below), whose sum is σ = 1384389600. Its totient is φ = 922385952.

The previous prime is 1153320209. The next prime is 1153320241. The reversal of 1153320215 is 5120233511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153320215 - 2¹⁰ = 1153319191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13940 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (173048700).

Almost surely, 2^1153320215 is an apocalyptic number.

1153320215 is a deficient number, since it is larger than the sum of its proper divisors (231069385).

1153320215 is an equidigital number, since it uses as much as digits as its factorization.

1153320215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67561.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1153320215 is about 33960.5685317546. The cubic root of 1153320215 is about 1048.6968610655.

Adding to 1153320215 its reverse (5120233511), we get a palindrome (6273553726).

The spelling of 1153320215 in words is "one billion, one hundred fifty-three million, three hundred twenty thousand, two hundred fifteen".