1017455571113 has 2 divisors, whose sum is σ = 1017455571114. Its totient is φ = 1017455571112.

The previous prime is 1017455571101. The next prime is 1017455571133. The reversal of 1017455571113 is 3111755547101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699678715024 + 317776856089 = 836468^2 + 563717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017455571113 - 2¹² = 1017455567017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1017455571133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508727785556 + 508727785557.

It is an arithmetic number, because the mean of its divisors is an integer number (508727785557).

Almost surely, 2^{1017455571113} is an apocalyptic number.

It is an amenable number.

1017455571113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017455571113 is an equidigital number, since it uses as much as digits as its factorization.

1017455571113 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 41.

The spelling of 1017455571113 in words is "one trillion, seventeen billion, four hundred fifty-five million, five hundred seventy-one thousand, one hundred thirteen".