1159685441 has 4 divisors (see below), whose sum is σ = 1159910400. Its totient is φ = 1159460484.

The previous prime is 1159685431. The next prime is 1159685453. The reversal of 1159685441 is 1445869511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1159685441 - 2¹⁰ = 1159684417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1159685392 and 1159685401.

It is not an unprimeable number, because it can be changed into a prime (1159685431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104561 + ... + 115118.

It is an arithmetic number, because the mean of its divisors is an integer number (289977600).

Almost surely, 2^1159685441 is an apocalyptic number.

It is an amenable number.

1159685441 is a deficient number, since it is larger than the sum of its proper divisors (224959).

1159685441 is an equidigital number, since it uses as much as digits as its factorization.

1159685441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224958.

The product of its digits is 172800, while the sum is 44.

The square root of 1159685441 is about 34054.1545336248. The cubic root of 1159685441 is about 1050.6225910074.

The spelling of 1159685441 in words is "one billion, one hundred fifty-nine million, six hundred eighty-five thousand, four hundred forty-one".