1159817601 has 16 divisors (see below), whose sum is σ = 1597501440. Its totient is φ = 747710160.

The previous prime is 1159817599. The next prime is 1159817609. The reversal of 1159817601 is 1067189511.

It is not a de Polignac number, because 1159817601 - 2¹ = 1159817599 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1159817601.

It is not an unprimeable number, because it can be changed into a prime (1159817609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146716 + ... + 154418.

It is an arithmetic number, because the mean of its divisors is an integer number (99843840).

Almost surely, 2^1159817601 is an apocalyptic number.

It is an amenable number.

1159817601 is a deficient number, since it is larger than the sum of its proper divisors (437683839).

1159817601 is a wasteful number, since it uses less digits than its factorization.

1159817601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 15120, while the sum is 39.

The square root of 1159817601 is about 34056.0949170629. The cubic root of 1159817601 is about 1050.6624998202.

The spelling of 1159817601 in words is "one billion, one hundred fifty-nine million, eight hundred seventeen thousand, six hundred one".