11238838858579 has 4 divisors (see below), whose sum is σ = 11238853804984. Its totient is φ = 11238823912176.

The previous prime is 11238838858561. The next prime is 11238838858603. The reversal of 11238838858579 is 97585883883211.

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 11238838858579 - 2⁵ = 11238838858547 is a prime.

It is a super-2 number, since 2×11238838858579² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11238838858519) 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, 6281997 + ... + 7870270.

It is an arithmetic number, because the mean of its divisors is an integer number (2809713451246).

Almost surely, 2^{11238838858579} is an apocalyptic number.

11238838858579 is a deficient number, since it is larger than the sum of its proper divisors (14946405).

11238838858579 is an equidigital number, since it uses as much as digits as its factorization.

11238838858579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14946404.

The product of its digits is 928972800, while the sum is 76.

The spelling of 11238838858579 in words is "eleven trillion, two hundred thirty-eight billion, eight hundred thirty-eight million, eight hundred fifty-eight thousand, five hundred seventy-nine".