1161486065 has 16 divisors (see below), whose sum is σ = 1400765520. Its totient is φ = 924549120.

The previous prime is 1161486059. The next prime is 1161486097. The reversal of 1161486065 is 5606841611.

It can be written as a sum of positive squares in 8 ways, for example, as 63425296 + 1098060769 = 7964^2 + 33137^2 .

It is not a de Polignac number, because 1161486065 - 2²² = 1157291761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510001 + ... + 1510769.

It is an arithmetic number, because the mean of its divisors is an integer number (87547845).

Almost surely, 2^1161486065 is an apocalyptic number.

It is an amenable number.

1161486065 is a deficient number, since it is larger than the sum of its proper divisors (239279455).

1161486065 is an equidigital number, since it uses as much as digits as its factorization.

1161486065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1161486065 is about 34080.5819345856. The cubic root of 1161486065 is about 1051.1660711385.

It can be divided in two parts, 11614 and 86065, that added together give a palindrome (97679).

The spelling of 1161486065 in words is "one billion, one hundred sixty-one million, four hundred eighty-six thousand, sixty-five".