1153312205 has 16 divisors (see below), whose sum is σ = 1413315264. Its totient is φ = 903260160.

The previous prime is 1153312157. The next prime is 1153312213. The reversal of 1153312205 is 5022133511.

It is a happy number.

It is not a de Polignac number, because 1153312205 - 2¹⁶ = 1153246669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44045 + ... + 65165.

It is an arithmetic number, because the mean of its divisors is an integer number (88332204).

Almost surely, 2^1153312205 is an apocalyptic number.

It is an amenable number.

1153312205 is a deficient number, since it is larger than the sum of its proper divisors (260003059).

1153312205 is a wasteful number, since it uses less digits than its factorization.

1153312205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21356.

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

The square root of 1153312205 is about 33960.4506006619. The cubic root of 1153312205 is about 1048.6944332687.

Adding to 1153312205 its reverse (5022133511), we get a palindrome (6175445716).

The spelling of 1153312205 in words is "one billion, one hundred fifty-three million, three hundred twelve thousand, two hundred five".