1158281160 has 128 divisors (see below), whose sum is σ = 3636057600. Its totient is φ = 294871040.

The previous prime is 1158281129. The next prime is 1158281161. The reversal of 1158281160 is 611828511.

It is a super-2 number, since 2×1158281160² = 2683230491221891200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1158281161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228736 + ... + 233744.

It is an arithmetic number, because the mean of its divisors is an integer number (28406700).

Almost surely, 2^1158281160 is an apocalyptic number.

1158281160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158281160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1818028800).

1158281160 is an abundant number, since it is smaller than the sum of its proper divisors (2477776440).

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

1158281160 is a wasteful number, since it uses less digits than its factorization.

1158281160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 33.

The square root of 1158281160 is about 34033.5299374014. The cubic root of 1158281160 is about 1050.1983480167.

The spelling of 1158281160 in words is "one billion, one hundred fifty-eight million, two hundred eighty-one thousand, one hundred sixty".