11911039319 has 4 divisors (see below), whose sum is σ = 11929916400. Its totient is φ = 11892162240.

The previous prime is 11911039291. The next prime is 11911039337. The reversal of 11911039319 is 91393011911.

11911039319 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, and also an emirpimes, since its reverse is a distinct semiprime: 91393011911 = 37 ⋅2470081403.

It is a cyclic number.

It is not a de Polignac number, because 11911039319 - 2²⁴ = 11894262103 is a prime.

It is a super-2 number, since 2×11911039319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11911039339) 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, 9437594 + ... + 9438855.

It is an arithmetic number, because the mean of its divisors is an integer number (2982479100).

Almost surely, 2^11911039319 is an apocalyptic number.

11911039319 is a deficient number, since it is larger than the sum of its proper divisors (18877081).

11911039319 is an equidigital number, since it uses as much as digits as its factorization.

11911039319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18877080.

The product of its (nonzero) digits is 6561, while the sum is 38.

The spelling of 11911039319 in words is "eleven billion, nine hundred eleven million, thirty-nine thousand, three hundred nineteen".