1153315205 has 32 divisors (see below), whose sum is σ = 1629888000. Its totient is φ = 783046656.

The previous prime is 1153315171. The next prime is 1153315211. The reversal of 1153315205 is 5025133511.

It is a happy number.

It is not a de Polignac number, because 1153315205 - 2¹⁰ = 1153314181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173381 + ... + 179909.

It is an arithmetic number, because the mean of its divisors is an integer number (50934000).

Almost surely, 2^1153315205 is an apocalyptic number.

It is an amenable number.

1153315205 is a deficient number, since it is larger than the sum of its proper divisors (476572795).

1153315205 is an equidigital number, since it uses as much as digits as its factorization.

1153315205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6658 (or 6644 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1153315205 is about 33960.4947696585. The cubic root of 1153315205 is about 1048.6953425572.

Adding to 1153315205 its reverse (5025133511), we get a palindrome (6178448716).

The spelling of 1153315205 in words is "one billion, one hundred fifty-three million, three hundred fifteen thousand, two hundred five".