810240141311 has 4 divisors (see below), whose sum is σ = 857901326112. Its totient is φ = 762578956512.

The previous prime is 810240141257. The next prime is 810240141331. The reversal of 810240141311 is 113141042018.

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 810240141311 - 2¹⁸ = 810239879167 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 (810240141331) 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, 23830592375 + ... + 23830592408.

It is an arithmetic number, because the mean of its divisors is an integer number (214475331528).

Almost surely, 2^810240141311 is an apocalyptic number.

810240141311 is a deficient number, since it is larger than the sum of its proper divisors (47661184801).

810240141311 is a wasteful number, since it uses less digits than its factorization.

810240141311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47661184800.

The product of its (nonzero) digits is 768, while the sum is 26.

Adding to 810240141311 its reverse (113141042018), we get a palindrome (923381183329).

The spelling of 810240141311 in words is "eight hundred ten billion, two hundred forty million, one hundred forty-one thousand, three hundred eleven".