111011117924849 has 2 divisors, whose sum is σ = 111011117924850. Its totient is φ = 111011117924848.

The previous prime is 111011117924807. The next prime is 111011117924923. The reversal of 111011117924849 is 948429711110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106875649972624 + 4135467952225 = 10338068^2 + 2033585^2 .

It is a cyclic number.

It is not a de Polignac number, because 111011117924849 - 2¹² = 111011117920753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111011117924797 and 111011117924806.

It is not a weakly prime, because it can be changed into another prime (111011117924249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505558962424 + 55505558962425.

It is an arithmetic number, because the mean of its divisors is an integer number (55505558962425).

Almost surely, 2^{111011117924849} is an apocalyptic number.

It is an amenable number.

111011117924849 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011117924849 is an equidigital number, since it uses as much as digits as its factorization.

111011117924849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 50.

The spelling of 111011117924849 in words is "one hundred eleven trillion, eleven billion, one hundred seventeen million, nine hundred twenty-four thousand, eight hundred forty-nine".