6136324851861 has 6 divisors (see below), whose sum is σ = 8863580341590. Its totient is φ = 4090883234568.

The previous prime is 6136324851827. The next prime is 6136324851889. The reversal of 6136324851861 is 1681584236316.

It is a happy number.

6136324851861 is a `hidden beast` number, since 6 + 1 + 3 + 63 + 2 + 4 + 8 + 518 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6104111422500 + 32213429361 = 2470650^2 + 179481^2 .

It is not a de Polignac number, because 6136324851861 - 2¹⁴ = 6136324835477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6136324851798 and 6136324851807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6136324851061) 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, 340906936206 + ... + 340906936223.

It is an arithmetic number, because the mean of its divisors is an integer number (1477263390265).

Almost surely, 2^{6136324851861} is an apocalyptic number.

It is an amenable number.

6136324851861 is a deficient number, since it is larger than the sum of its proper divisors (2727255489729).

6136324851861 is a wasteful number, since it uses less digits than its factorization.

6136324851861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681813872435 (or 681813872432 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 6136324851861 in words is "six trillion, one hundred thirty-six billion, three hundred twenty-four million, eight hundred fifty-one thousand, eight hundred sixty-one".