1011155503747 has 2 divisors, whose sum is σ = 1011155503748. Its totient is φ = 1011155503746.

The previous prime is 1011155503703. The next prime is 1011155503817. The reversal of 1011155503747 is 7473055511101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011155503747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011155504747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505577751873 + 505577751874.

It is an arithmetic number, because the mean of its divisors is an integer number (505577751874).

Almost surely, 2^{1011155503747} is an apocalyptic number.

1011155503747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011155503747 is an equidigital number, since it uses as much as digits as its factorization.

1011155503747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73500, while the sum is 40.

The spelling of 1011155503747 in words is "one trillion, eleven billion, one hundred fifty-five million, five hundred three thousand, seven hundred forty-seven".