111343103522087 has 2 divisors, whose sum is σ = 111343103522088. Its totient is φ = 111343103522086.

The previous prime is 111343103522023. The next prime is 111343103522113. The reversal of 111343103522087 is 780225301343111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111343103522087 - 2⁶ = 111343103522023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111343103522017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55671551761043 + 55671551761044.

It is an arithmetic number, because the mean of its divisors is an integer number (55671551761044).

Almost surely, 2^{111343103522087} is an apocalyptic number.

111343103522087 is a deficient number, since it is larger than the sum of its proper divisors (1).

111343103522087 is an equidigital number, since it uses as much as digits as its factorization.

111343103522087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

Adding to 111343103522087 its reverse (780225301343111), we get a palindrome (891568404865198).

The spelling of 111343103522087 in words is "one hundred eleven trillion, three hundred forty-three billion, one hundred three million, five hundred twenty-two thousand, eighty-seven".