1089241521911 has 2 divisors, whose sum is σ = 1089241521912. Its totient is φ = 1089241521910.

The previous prime is 1089241521881. The next prime is 1089241521931. The reversal of 1089241521911 is 1191251429801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1089241521911 - 2¹⁸ = 1089241259767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089241521931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544620760955 + 544620760956.

It is an arithmetic number, because the mean of its divisors is an integer number (544620760956).

Almost surely, 2^{1089241521911} is an apocalyptic number.

1089241521911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089241521911 is an equidigital number, since it uses as much as digits as its factorization.

1089241521911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 44.

The spelling of 1089241521911 in words is "one trillion, eighty-nine billion, two hundred forty-one million, five hundred twenty-one thousand, nine hundred eleven".