1041242209991 has 2 divisors, whose sum is σ = 1041242209992. Its totient is φ = 1041242209990.

The previous prime is 1041242209919. The next prime is 1041242210017. The reversal of 1041242209991 is 1999022421401.

Together with previous prime (1041242209919) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041242209991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041242259991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520621104995 + 520621104996.

It is an arithmetic number, because the mean of its divisors is an integer number (520621104996).

Almost surely, 2^{1041242209991} is an apocalyptic number.

1041242209991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041242209991 is an equidigital number, since it uses as much as digits as its factorization.

1041242209991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 1041242209991 in words is "one trillion, forty-one billion, two hundred forty-two million, two hundred nine thousand, nine hundred ninety-one".