1155359118 has 16 divisors (see below), whose sum is σ = 2314319616. Its totient is φ = 384519480.

The previous prime is 1155359113. The next prime is 1155359129. The reversal of 1155359118 is 8119535511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155359111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145878 + ... + 153593.

It is an arithmetic number, because the mean of its divisors is an integer number (144644976).

Almost surely, 2^1155359118 is an apocalyptic number.

1155359118 is an abundant number, since it is smaller than the sum of its proper divisors (1158960498).

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

1155359118 is a wasteful number, since it uses less digits than its factorization.

1155359118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300119.

The product of its digits is 27000, while the sum is 39.

The square root of 1155359118 is about 33990.5739580843. The cubic root of 1155359118 is about 1049.3144786130.

The spelling of 1155359118 in words is "one billion, one hundred fifty-five million, three hundred fifty-nine thousand, one hundred eighteen".