5861811840381 has 36 divisors (see below), whose sum is σ = 9850102116192. Its totient is φ = 3349381233744.

The previous prime is 5861811840347. The next prime is 5861811840419. The reversal of 5861811840381 is 1830481181685.

5861811840381 is a `hidden beast` number, since 5 + 8 + 6 + 1 + 81 + 184 + 0 + 381 = 666.

It is not a de Polignac number, because 5861811840381 - 2¹⁹ = 5861811316093 is a prime.

It is a super-2 number, since 2×5861811840381² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5861811840581) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6222256 + ... + 7102118.

It is an arithmetic number, because the mean of its divisors is an integer number (273613947672).

Almost surely, 2^{5861811840381} is an apocalyptic number.

It is an amenable number.

5861811840381 is a deficient number, since it is larger than the sum of its proper divisors (3988290275811).

5861811840381 is a wasteful number, since it uses less digits than its factorization.

5861811840381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894990 (or 894980 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 5861811840381 in words is "five trillion, eight hundred sixty-one billion, eight hundred eleven million, eight hundred forty thousand, three hundred eighty-one".