111142334087 has 2 divisors, whose sum is σ = 111142334088. Its totient is φ = 111142334086.

The previous prime is 111142334021. The next prime is 111142334101. The reversal of 111142334087 is 780433241111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111142334087 - 2¹⁴ = 111142317703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111142334587) 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, 55571167043 + 55571167044.

It is an arithmetic number, because the mean of its divisors is an integer number (55571167044).

Almost surely, 2^111142334087 is an apocalyptic number.

111142334087 is a deficient number, since it is larger than the sum of its proper divisors (1).

111142334087 is an equidigital number, since it uses as much as digits as its factorization.

111142334087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 111142334087 its reverse (780433241111), we get a palindrome (891575575198).

The spelling of 111142334087 in words is "one hundred eleven billion, one hundred forty-two million, three hundred thirty-four thousand, eighty-seven".