11159942039 has 4 divisors (see below), whose sum is σ = 11294399256. Its totient is φ = 11025484824.

The previous prime is 11159942029. The next prime is 11159942041. The reversal of 11159942039 is 93024995111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93024995111 = 53 ⋅1755188587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11159942039 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 (11159942029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67228484 + ... + 67228649.

It is an arithmetic number, because the mean of its divisors is an integer number (2823599814).

Almost surely, 2^11159942039 is an apocalyptic number.

11159942039 is a deficient number, since it is larger than the sum of its proper divisors (134457217).

11159942039 is an equidigital number, since it uses as much as digits as its factorization.

11159942039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134457216.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 11159942039 in words is "eleven billion, one hundred fifty-nine million, nine hundred forty-two thousand, thirty-nine".