1011440340259 has 2 divisors, whose sum is σ = 1011440340260. Its totient is φ = 1011440340258.

The previous prime is 1011440340193. The next prime is 1011440340263. The reversal of 1011440340259 is 9520430441101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011440340259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011440343259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505720170129 + 505720170130.

It is an arithmetic number, because the mean of its divisors is an integer number (505720170130).

Almost surely, 2^{1011440340259} is an apocalyptic number.

1011440340259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011440340259 is an equidigital number, since it uses as much as digits as its factorization.

1011440340259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1011440340259 in words is "one trillion, eleven billion, four hundred forty million, three hundred forty thousand, two hundred fifty-nine".