11381574239 has 16 divisors (see below), whose sum is σ = 14092962048. Its totient is φ = 8968240512.

The previous prime is 11381574229. The next prime is 11381574257. The reversal of 11381574239 is 93247518311.

11381574239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11381574239 - 2⁴ = 11381574223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11381574239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381574229) 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 15 ways as a sum of consecutive naturals, for example, 1107017 + ... + 1117250.

It is an arithmetic number, because the mean of its divisors is an integer number (880810128).

Almost surely, 2^11381574239 is an apocalyptic number.

11381574239 is a deficient number, since it is larger than the sum of its proper divisors (2711387809).

11381574239 is a wasteful number, since it uses less digits than its factorization.

11381574239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224334.

The product of its digits is 181440, while the sum is 44.

The spelling of 11381574239 in words is "eleven billion, three hundred eighty-one million, five hundred seventy-four thousand, two hundred thirty-nine".