6861940531241 has 16 divisors (see below), whose sum is σ = 7173004398336. Its totient is φ = 6558594000000.

The previous prime is 6861940531189. The next prime is 6861940531267. The reversal of 6861940531241 is 1421350491686.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6861940531241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6861940531241.

It is not an unprimeable number, because it can be changed into a prime (6861940539241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4837745 + ... + 6093246.

It is an arithmetic number, because the mean of its divisors is an integer number (448312774896).

Almost surely, 2^{6861940531241} is an apocalyptic number.

6861940531241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6861940531241 is a deficient number, since it is larger than the sum of its proper divisors (311063867095).

6861940531241 is a wasteful number, since it uses less digits than its factorization.

6861940531241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10931344.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 6861940531241 in words is "six trillion, eight hundred sixty-one billion, nine hundred forty million, five hundred thirty-one thousand, two hundred forty-one".