1161308000 has 48 divisors (see below), whose sum is σ = 2853343584. Its totient is φ = 464521600.

The previous prime is 1161307997. The next prime is 1161308003. The reversal of 1161308000 is 8031611.

It is an interprime number because it is at equal distance from previous prime (1161307997) and next prime (1161308003).

It is a super-3 number, since 3×1161308000³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161308003) 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, 141164 + ... + 149163.

It is an arithmetic number, because the mean of its divisors is an integer number (59444658).

Almost surely, 2^1161308000 is an apocalyptic number.

1161308000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161308000 is an abundant number, since it is smaller than the sum of its proper divisors (1692035584).

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

1161308000 is an equidigital number, since it uses as much as digits as its factorization.

1161308000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290352 (or 290334 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1161308000 is about 34077.9694230745. The cubic root of 1161308000 is about 1051.1123510357.

Adding to 1161308000 its reverse (8031611), we get a palindrome (1169339611).

The spelling of 1161308000 in words is "one billion, one hundred sixty-one million, three hundred eight thousand".