1158211326 has 32 divisors (see below), whose sum is σ = 2456213760. Its totient is φ = 362837376.

The previous prime is 1158211319. The next prime is 1158211361. The reversal of 1158211326 is 6231128511.

1158211326 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1158211293 and 1158211302.

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, 66345 + ... + 81963.

It is an arithmetic number, because the mean of its divisors is an integer number (76756680).

Almost surely, 2^1158211326 is an apocalyptic number.

1158211326 is an abundant number, since it is smaller than the sum of its proper divisors (1298002434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1158211326 is a wasteful number, since it uses less digits than its factorization.

1158211326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16368.

The product of its digits is 2880, while the sum is 30.

The square root of 1158211326 is about 34032.5039631233. The cubic root of 1158211326 is about 1050.1772417349.

Adding to 1158211326 its reverse (6231128511), we get a palindrome (7389339837).

The spelling of 1158211326 in words is "one billion, one hundred fifty-eight million, two hundred eleven thousand, three hundred twenty-six".