11540159 has 4 divisors (see below), whose sum is σ = 11654520. Its totient is φ = 11425800.

The previous prime is 11540143. The next prime is 11540203. The reversal of 11540159 is 95104511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11540159 - 2⁴ = 11540143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57029 + ... + 57230.

It is an arithmetic number, because the mean of its divisors is an integer number (2913630).

Almost surely, 2^11540159 is an apocalyptic number.

11540159 is a deficient number, since it is larger than the sum of its proper divisors (114361).

11540159 is a wasteful number, since it uses less digits than its factorization.

11540159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114360.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 11540159 is about 3397.0809528182. The cubic root of 11540159 is about 225.9803086715.

The spelling of 11540159 in words is "eleven million, five hundred forty thousand, one hundred fifty-nine".