1115532777743 has 2 divisors, whose sum is σ = 1115532777744. Its totient is φ = 1115532777742.

The previous prime is 1115532777739. The next prime is 1115532777823. The reversal of 1115532777743 is 3477772355111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115532777743 - 2² = 1115532777739 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115532777043) 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, 557766388871 + 557766388872.

It is an arithmetic number, because the mean of its divisors is an integer number (557766388872).

Almost surely, 2^{1115532777743} is an apocalyptic number.

1115532777743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115532777743 is an equidigital number, since it uses as much as digits as its factorization.

1115532777743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4321800, while the sum is 53.

The spelling of 1115532777743 in words is "one trillion, one hundred fifteen billion, five hundred thirty-two million, seven hundred seventy-seven thousand, seven hundred forty-three".