1011035853605 has 4 divisors (see below), whose sum is σ = 1213243024332. Its totient is φ = 808828682880.

The previous prime is 1011035853601. The next prime is 1011035853661. The reversal of 1011035853605 is 5063585301101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 500621342116 + 510414511489 = 707546^2 + 714433^2 .

It is not a de Polignac number, because 1011035853605 - 2² = 1011035853601 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 (1011035853601) 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 3 ways as a sum of consecutive naturals, for example, 101103585356 + ... + 101103585365.

It is an arithmetic number, because the mean of its divisors is an integer number (303310756083).

Almost surely, 2^{1011035853605} is an apocalyptic number.

It is an amenable number.

1011035853605 is a deficient number, since it is larger than the sum of its proper divisors (202207170727).

1011035853605 is an equidigital number, since it uses as much as digits as its factorization.

1011035853605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202207170726.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 1011035853605 in words is "one trillion, eleven billion, thirty-five million, eight hundred fifty-three thousand, six hundred five".