11522159 has 4 divisors (see below), whose sum is σ = 12569640. Its totient is φ = 10474680.

The previous prime is 11522153. The next prime is 11522167. The reversal of 11522159 is 95122511.

11522159 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95122511 = 11 ⋅8647501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11522159 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 (11522153) 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, 523724 + ... + 523745.

It is an arithmetic number, because the mean of its divisors is an integer number (3142410).

Almost surely, 2^11522159 is an apocalyptic number.

11522159 is a deficient number, since it is larger than the sum of its proper divisors (1047481).

11522159 is a wasteful number, since it uses less digits than its factorization.

11522159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047480.

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

The square root of 11522159 is about 3394.4305855327. The cubic root of 11522159 is about 225.8627550556.

The spelling of 11522159 in words is "eleven million, five hundred twenty-two thousand, one hundred fifty-nine".