111110110848857 has 2 divisors, whose sum is σ = 111110110848858. Its totient is φ = 111110110848856.

The previous prime is 111110110848839. The next prime is 111110110848899. The reversal of 111110110848857 is 758848011011111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95505841198681 + 15604269650176 = 9772709^2 + 3950224^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110110848857 is a prime.

It is not a weakly prime, because it can be changed into another prime (111110110848817) 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, 55555055424428 + 55555055424429.

It is an arithmetic number, because the mean of its divisors is an integer number (55555055424429).

Almost surely, 2^{111110110848857} is an apocalyptic number.

It is an amenable number.

111110110848857 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110110848857 is an equidigital number, since it uses as much as digits as its factorization.

111110110848857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 47.

Adding to 111110110848857 its reverse (758848011011111), we get a palindrome (869958121859968).

The spelling of 111110110848857 in words is "one hundred eleven trillion, one hundred ten billion, one hundred ten million, eight hundred forty-eight thousand, eight hundred fifty-seven".