1161582117 has 8 divisors (see below), whose sum is σ = 1548980160. Its totient is φ = 774286080.

The previous prime is 1161582101. The next prime is 1161582131. The reversal of 1161582117 is 7112851611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161582117 - 2⁴ = 1161582101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161582167) 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, 6984 + ... + 48702.

It is an arithmetic number, because the mean of its divisors is an integer number (193622520).

Almost surely, 2^1161582117 is an apocalyptic number.

It is an amenable number.

1161582117 is a deficient number, since it is larger than the sum of its proper divisors (387398043).

1161582117 is an equidigital number, since it uses as much as digits as its factorization.

1161582117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51003.

The product of its digits is 3360, while the sum is 33.

The square root of 1161582117 is about 34081.9910950050. The cubic root of 1161582117 is about 1051.1950466103.

The spelling of 1161582117 in words is "one billion, one hundred sixty-one million, five hundred eighty-two thousand, one hundred seventeen".