111145719799 has 2 divisors, whose sum is σ = 111145719800. Its totient is φ = 111145719798.

The previous prime is 111145719793. The next prime is 111145719829. The reversal of 111145719799 is 997917541111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111145719799 - 2¹⁵ = 111145687031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111145719793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55572859899 + 55572859900.

It is an arithmetic number, because the mean of its divisors is an integer number (55572859900).

Almost surely, 2^111145719799 is an apocalyptic number.

111145719799 is a deficient number, since it is larger than the sum of its proper divisors (1).

111145719799 is an equidigital number, since it uses as much as digits as its factorization.

111145719799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 55.

The spelling of 111145719799 in words is "one hundred eleven billion, one hundred forty-five million, seven hundred nineteen thousand, seven hundred ninety-nine".