1685026130611 has 4 divisors (see below), whose sum is σ = 1685049102000. Its totient is φ = 1685003159224.

The previous prime is 1685026130581. The next prime is 1685026130677. The reversal of 1685026130611 is 1160316205861.

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

It is a cyclic number.

It is not a de Polignac number, because 1685026130611 - 2¹⁹ = 1685025606323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1685026130681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375311 + ... + 11522488.

It is an arithmetic number, because the mean of its divisors is an integer number (421262275500).

Almost surely, 2^{1685026130611} is an apocalyptic number.

1685026130611 is a deficient number, since it is larger than the sum of its proper divisors (22971389).

1685026130611 is an equidigital number, since it uses as much as digits as its factorization.

1685026130611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22971388.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1685026130611 in words is "one trillion, six hundred eighty-five billion, twenty-six million, one hundred thirty thousand, six hundred eleven".