1159114660 has 48 divisors (see below), whose sum is σ = 2677433472. Its totient is φ = 421486560.

The previous prime is 1159114643. The next prime is 1159114661. The reversal of 1159114660 is 664119511.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1159114661) 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, 4849 + ... + 48391.

It is an arithmetic number, because the mean of its divisors is an integer number (55779864).

Almost surely, 2^1159114660 is an apocalyptic number.

1159114660 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 1159114660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338716736).

1159114660 is an abundant number, since it is smaller than the sum of its proper divisors (1518318812).

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

1159114660 is a wasteful number, since it uses less digits than its factorization.

1159114660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43585 (or 43561 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1159114660 is about 34045.7730122258. The cubic root of 1159114660 is about 1050.4501954587.

The spelling of 1159114660 in words is "one billion, one hundred fifty-nine million, one hundred fourteen thousand, six hundred sixty".