11110111211839 has 2 divisors, whose sum is σ = 11110111211840. Its totient is φ = 11110111211838.

The previous prime is 11110111211827. The next prime is 11110111211861. The reversal of 11110111211839 is 93811211101111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110111211839 - 2⁷ = 11110111211711 is a prime.

It is a super-2 number, since 2×11110111211839² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11110111211839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110111211809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055605919 + 5555055605920.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055605920).

Almost surely, 2^{11110111211839} is an apocalyptic number.

11110111211839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110111211839 is an equidigital number, since it uses as much as digits as its factorization.

11110111211839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 31.

The spelling of 11110111211839 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, two hundred eleven thousand, eight hundred thirty-nine".