11415023239 has 4 divisors (see below), whose sum is σ = 11808644760. Its totient is φ = 11021401720.

The previous prime is 11415023237. The next prime is 11415023261. The reversal of 11415023239 is 93232051411.

11415023239 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 11415023239 - 2¹ = 11415023237 is a prime.

It is a super-2 number, since 2×11415023239² (a number of 21 digits) contains 22 as substring.

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 11415023239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415023231) 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 3 ways as a sum of consecutive naturals, for example, 196810717 + ... + 196810774.

It is an arithmetic number, because the mean of its divisors is an integer number (2952161190).

Almost surely, 2^11415023239 is an apocalyptic number.

11415023239 is a deficient number, since it is larger than the sum of its proper divisors (393621521).

11415023239 is an equidigital number, since it uses as much as digits as its factorization.

11415023239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393621520.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11415023239 in words is "eleven billion, four hundred fifteen million, twenty-three thousand, two hundred thirty-nine".