111033778423 has 2 divisors, whose sum is σ = 111033778424. Its totient is φ = 111033778422.

The previous prime is 111033778357. The next prime is 111033778433. The reversal of 111033778423 is 324877330111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111033778423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111033778433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55516889211 + 55516889212.

It is an arithmetic number, because the mean of its divisors is an integer number (55516889212).

Almost surely, 2^111033778423 is an apocalyptic number.

111033778423 is a deficient number, since it is larger than the sum of its proper divisors (1).

111033778423 is an equidigital number, since it uses as much as digits as its factorization.

111033778423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 111033778423 in words is "one hundred eleven billion, thirty-three million, seven hundred seventy-eight thousand, four hundred twenty-three".