1111001113247 has 2 divisors, whose sum is σ = 1111001113248. Its totient is φ = 1111001113246.

The previous prime is 1111001113199. The next prime is 1111001113307. The reversal of 1111001113247 is 7423111001111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111001113247 - 2¹² = 1111001109151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111001143247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500556623 + 555500556624.

It is an arithmetic number, because the mean of its divisors is an integer number (555500556624).

Almost surely, 2^{1111001113247} is an apocalyptic number.

1111001113247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111001113247 is an equidigital number, since it uses as much as digits as its factorization.

1111001113247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 1111001113247 its reverse (7423111001111), we get a palindrome (8534112114358).

The spelling of 1111001113247 in words is "one trillion, one hundred eleven billion, one million, one hundred thirteen thousand, two hundred forty-seven".