3811802811817 has 48 divisors (see below), whose sum is σ = 5276641659520. Its totient is φ = 2677994161920.

The previous prime is 3811802811811. The next prime is 3811802811823. The reversal of 3811802811817 is 7181182081183.

3811802811817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3811802811811) and next prime (3811802811823).

It is a de Polignac number, because none of the positive numbers 2^k-3811802811817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3811802811811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3551892 + ... + 4498837.

Almost surely, 2^{3811802811817} is an apocalyptic number.

It is an amenable number.

3811802811817 is a deficient number, since it is larger than the sum of its proper divisors (1464838847703).

3811802811817 is a wasteful number, since it uses less digits than its factorization.

3811802811817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8050814 (or 8050803 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 49.

The spelling of 3811802811817 in words is "three trillion, eight hundred eleven billion, eight hundred two million, eight hundred eleven thousand, eight hundred seventeen".