111116139307079 has 2 divisors, whose sum is σ = 111116139307080. Its totient is φ = 111116139307078.

The previous prime is 111116139307039. The next prime is 111116139307153. The reversal of 111116139307079 is 970703931611111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (970703931611111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111116139307079 - 2³⁶ = 111047419830343 is a prime.

It is a super-4 number, since 4×111116139307079⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111116139307039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55558069653539 + 55558069653540.

It is an arithmetic number, because the mean of its divisors is an integer number (55558069653540).

Almost surely, 2^{111116139307079} is an apocalyptic number.

111116139307079 is a deficient number, since it is larger than the sum of its proper divisors (1).

111116139307079 is an equidigital number, since it uses as much as digits as its factorization.

111116139307079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 50.

The spelling of 111116139307079 in words is "one hundred eleven trillion, one hundred sixteen billion, one hundred thirty-nine million, three hundred seven thousand, seventy-nine".