1159181070 has 128 divisors (see below), whose sum is σ = 3008102400. Its totient is φ = 285005952.

The previous prime is 1159181053. The next prime is 1159181077. The reversal of 1159181070 is 701819511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159181077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4850011 + ... + 4850249.

It is an arithmetic number, because the mean of its divisors is an integer number (23500800).

Almost surely, 2^1159181070 is an apocalyptic number.

1159181070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159181070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504051200).

1159181070 is an abundant number, since it is smaller than the sum of its proper divisors (1848921330).

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

1159181070 is a wasteful number, since it uses less digits than its factorization.

1159181070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462.

The product of its (nonzero) digits is 2520, while the sum is 33.

The square root of 1159181070 is about 34046.7483028850. The cubic root of 1159181070 is about 1050.4702564781.

The spelling of 1159181070 in words is "one billion, one hundred fifty-nine million, one hundred eighty-one thousand, seventy".