111231132079 has 2 divisors, whose sum is σ = 111231132080. Its totient is φ = 111231132078.

The previous prime is 111231131989. The next prime is 111231132097. The reversal of 111231132079 is 970231132111.

Together with next prime (111231132097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111231132079 - 2⁹ = 111231131567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111231132079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111231130079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55615566039 + 55615566040.

It is an arithmetic number, because the mean of its divisors is an integer number (55615566040).

Almost surely, 2^111231132079 is an apocalyptic number.

111231132079 is a deficient number, since it is larger than the sum of its proper divisors (1).

111231132079 is an equidigital number, since it uses as much as digits as its factorization.

111231132079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 111231132079 in words is "one hundred eleven billion, two hundred thirty-one million, one hundred thirty-two thousand, seventy-nine".