1808142064101 has 6 divisors (see below), whose sum is σ = 2611760759270. Its totient is φ = 1205428042728.

The previous prime is 1808142064097. The next prime is 1808142064231. The reversal of 1808142064101 is 1014602418081.

1808142064101 is a `hidden beast` number, since 1 + 8 + 0 + 8 + 1 + 4 + 2 + 0 + 641 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1752377603076 + 55764461025 = 1323774^2 + 236145^2 .

It is not a de Polignac number, because 1808142064101 - 2² = 1808142064097 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 (1808142044101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100452336886 + ... + 100452336903.

Almost surely, 2^{1808142064101} is an apocalyptic number.

It is an amenable number.

1808142064101 is a deficient number, since it is larger than the sum of its proper divisors (803618695169).

1808142064101 is a wasteful number, since it uses less digits than its factorization.

1808142064101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200904673795 (or 200904673792 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The spelling of 1808142064101 in words is "one trillion, eight hundred eight billion, one hundred forty-two million, sixty-four thousand, one hundred one".