1161501160 has 32 divisors (see below), whose sum is σ = 2750925600. Its totient is φ = 440147520.

The previous prime is 1161501137. The next prime is 1161501161. The reversal of 1161501160 is 611051611.

It is not an unprimeable number, because it can be changed into a prime (1161501161) 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, 763386 + ... + 764905.

It is an arithmetic number, because the mean of its divisors is an integer number (85966425).

Almost surely, 2^1161501160 is an apocalyptic number.

1161501160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161501160 is an abundant number, since it is smaller than the sum of its proper divisors (1589424440).

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

1161501160 is a wasteful number, since it uses less digits than its factorization.

1161501160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528321 (or 1528317 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1161501160 is about 34080.8033942864. The cubic root of 1161501160 is about 1051.1706248688.

Adding to 1161501160 its reverse (611051611), we get a palindrome (1772552771).

The spelling of 1161501160 in words is "one billion, one hundred sixty-one million, five hundred one thousand, one hundred sixty".