111111178888883 has 2 divisors, whose sum is σ = 111111178888884. Its totient is φ = 111111178888882.

The previous prime is 111111178888861. The next prime is 111111178888889. The reversal of 111111178888883 is 388888871111111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111111178888883 - 2¹⁸ = 111111178626739 is a prime.

It is not a weakly prime, because it can be changed into another prime (111111178888889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555589444441 + 55555589444442.

It is an arithmetic number, because the mean of its divisors is an integer number (55555589444442).

Almost surely, 2^{111111178888883} is an apocalyptic number.

111111178888883 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111178888883 is an equidigital number, since it uses as much as digits as its factorization.

111111178888883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5505024, while the sum is 65.

The spelling of 111111178888883 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred seventy-eight million, eight hundred eighty-eight thousand, eight hundred eighty-three".