111404442499919 has 2 divisors, whose sum is σ = 111404442499920. Its totient is φ = 111404442499918.

The previous prime is 111404442499873. The next prime is 111404442499939. The reversal of 111404442499919 is 919994244404111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111404442499919 - 2⁸ = 111404442499663 is a prime.

It is a super-2 number, since 2×111404442499919² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111404442499939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55702221249959 + 55702221249960.

It is an arithmetic number, because the mean of its divisors is an integer number (55702221249960).

Almost surely, 2^{111404442499919} is an apocalyptic number.

111404442499919 is a deficient number, since it is larger than the sum of its proper divisors (1).

111404442499919 is an equidigital number, since it uses as much as digits as its factorization.

111404442499919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 111404442499919 in words is "one hundred eleven trillion, four hundred four billion, four hundred forty-two million, four hundred ninety-nine thousand, nine hundred nineteen".