111382912559 has 2 divisors, whose sum is σ = 111382912560. Its totient is φ = 111382912558.

The previous prime is 111382912517. The next prime is 111382912631. The reversal of 111382912559 is 955219283111.

It is a weak prime.

It is an emirp because it is prime and its reverse (955219283111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111382912559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111382912159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55691456279 + 55691456280.

It is an arithmetic number, because the mean of its divisors is an integer number (55691456280).

Almost surely, 2^111382912559 is an apocalyptic number.

111382912559 is a deficient number, since it is larger than the sum of its proper divisors (1).

111382912559 is an equidigital number, since it uses as much as digits as its factorization.

111382912559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 47.

The spelling of 111382912559 in words is "one hundred eleven billion, three hundred eighty-two million, nine hundred twelve thousand, five hundred fifty-nine".