5861811840309 has 24 divisors (see below), whose sum is σ = 8583256386432. Its totient is φ = 3854248764480.

The previous prime is 5861811840271. The next prime is 5861811840329. The reversal of 5861811840309 is 9030481181685.

It is a happy number.

5861811840309 is a `hidden beast` number, since 5 + 8 + 618 + 1 + 18 + 4 + 0 + 3 + 0 + 9 = 666.

It is not a de Polignac number, because 5861811840309 - 2¹⁶ = 5861811774773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5861811840329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36508884 + ... + 36669090.

It is an arithmetic number, because the mean of its divisors is an integer number (357635682768).

Almost surely, 2^{5861811840309} is an apocalyptic number.

It is an amenable number.

5861811840309 is a deficient number, since it is larger than the sum of its proper divisors (2721444546123).

5861811840309 is a wasteful number, since it uses less digits than its factorization.

5861811840309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215977 (or 215974 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 5861811840309 in words is "five trillion, eight hundred sixty-one billion, eight hundred eleven million, eight hundred forty thousand, three hundred nine".