1111000847849 has 2 divisors, whose sum is σ = 1111000847850. Its totient is φ = 1111000847848.

The previous prime is 1111000847843. The next prime is 1111000847851. The reversal of 1111000847849 is 9487480001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992898652249 + 118102195600 = 996443^2 + 343660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111000847849 is a prime.

It is a Sophie Germain prime.

Together with 1111000847851, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1111000847843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500423924 + 555500423925.

It is an arithmetic number, because the mean of its divisors is an integer number (555500423925).

Almost surely, 2^{1111000847849} is an apocalyptic number.

It is an amenable number.

1111000847849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000847849 is an equidigital number, since it uses as much as digits as its factorization.

1111000847849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 1111000847849 in words is "one trillion, one hundred eleven billion, eight hundred forty-seven thousand, eight hundred forty-nine".