11919159 has 48 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 6186240.

The previous prime is 11919157. The next prime is 11919161. The reversal of 11919159 is 95191911.

It is an interprime number because it is at equal distance from previous prime (11919157) and next prime (11919161).

It is not a de Polignac number, because 11919159 - 2¹ = 11919157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919157) 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 47 ways as a sum of consecutive naturals, for example, 33022 + ... + 33380.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

Almost surely, 2^11919159 is an apocalyptic number.

11919159 is a deficient number, since it is larger than the sum of its proper divisors (9646281).

11919159 is a wasteful number, since it uses less digits than its factorization.

11919159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 417 counting only the distinct ones).

The product of its digits is 3645, while the sum is 36.

The square root of 11919159 is about 3452.4135036232. The cubic root of 11919159 is about 228.4275794481.

The spelling of 11919159 in words is "eleven million, nine hundred nineteen thousand, one hundred fifty-nine".