1159449511 has 8 divisors (see below), whose sum is σ = 1268611344. Its totient is φ = 1050913920.

The previous prime is 1159449497. The next prime is 1159449523.

1159449511 is nontrivially palindromic in base 10.

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 1159449511 - 2¹⁵ = 1159416743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159449541) 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, 152680 + ... + 160093.

It is an arithmetic number, because the mean of its divisors is an integer number (158576418).

Almost surely, 2^1159449511 is an apocalyptic number.

1159449511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1159449511 is a deficient number, since it is larger than the sum of its proper divisors (109161833).

1159449511 is a wasteful number, since it uses less digits than its factorization.

1159449511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313121.

The product of its digits is 32400, while the sum is 40.

The square root of 1159449511 is about 34050.6903160567. The cubic root of 1159449511 is about 1050.5513388700.

The spelling of 1159449511 in words is "one billion, one hundred fifty-nine million, four hundred forty-nine thousand, five hundred eleven".