1153223211 has 16 divisors (see below), whose sum is σ = 1757873664. Its totient is φ = 658766784.

The previous prime is 1153223179. The next prime is 1153223231. The reversal of 1153223211 is 1123223511.

It is not a de Polignac number, because 1153223211 - 2⁵ = 1153223179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1153223231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73330 + ... + 87656.

It is an arithmetic number, because the mean of its divisors is an integer number (109867104).

Almost surely, 2^1153223211 is an apocalyptic number.

1153223211 is a deficient number, since it is larger than the sum of its proper divisors (604650453).

1153223211 is a wasteful number, since it uses less digits than its factorization.

1153223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18170.

The product of its digits is 360, while the sum is 21.

The square root of 1153223211 is about 33959.1403159738. The cubic root of 1153223211 is about 1048.6674588112.

Adding to 1153223211 its reverse (1123223511), we get a palindrome (2276446722).

It can be divided in two parts, 11532 and 23211, that added together give a palindrome (34743).

The spelling of 1153223211 in words is "one billion, one hundred fifty-three million, two hundred twenty-three thousand, two hundred eleven".