1161114587 has 8 divisors (see below), whose sum is σ = 1176431040. Its totient is φ = 1145813760.

The previous prime is 1161114551. The next prime is 1161114601. The reversal of 1161114587 is 7854111611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161114587 - 2⁶ = 1161114523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161114527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263333 + ... + 267705.

It is an arithmetic number, because the mean of its divisors is an integer number (147053880).

Almost surely, 2^1161114587 is an apocalyptic number.

1161114587 is a deficient number, since it is larger than the sum of its proper divisors (15316453).

1161114587 is an equidigital number, since it uses as much as digits as its factorization.

1161114587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7813.

The product of its digits is 6720, while the sum is 35.

The square root of 1161114587 is about 34075.1315037815. The cubic root of 1161114587 is about 1051.0539944009.

The spelling of 1161114587 in words is "one billion, one hundred sixty-one million, one hundred fourteen thousand, five hundred eighty-seven".