1011171070013 has 12 divisors (see below), whose sum is σ = 1091997015228. Its totient is φ = 930787169280.

The previous prime is 1011171070001. The next prime is 1011171070061. The reversal of 1011171070013 is 3100701711101.

It can be written as a sum of positive squares in 2 ways, for example, as 494099338084 + 517071731929 = 702922^2 + 719077^2 .

It is not a de Polignac number, because 1011171070013 - 2⁸ = 1011171069757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011171070073) 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 in 11 ways as a sum of consecutive naturals, for example, 1373693 + ... + 1977213.

It is an arithmetic number, because the mean of its divisors is an integer number (90999751269).

Almost surely, 2^{1011171070013} is an apocalyptic number.

1011171070013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1011171070013 is a deficient number, since it is larger than the sum of its proper divisors (80825945215).

1011171070013 is an frugal number, since it uses more digits than its factorization.

1011171070013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604252 (or 603893 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 23.

Adding to 1011171070013 its reverse (3100701711101), we get a palindrome (4111872781114).

The spelling of 1011171070013 in words is "one trillion, eleven billion, one hundred seventy-one million, seventy thousand, thirteen".