6201172840087 has 2 divisors, whose sum is σ = 6201172840088. Its totient is φ = 6201172840086.

The previous prime is 6201172840063. The next prime is 6201172840117. The reversal of 6201172840087 is 7800482711026.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6201172840087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6201172840987) 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 as a sum of consecutive naturals, namely, 3100586420043 + 3100586420044.

It is an arithmetic number, because the mean of its divisors is an integer number (3100586420044).

Almost surely, 2^{6201172840087} is an apocalyptic number.

6201172840087 is a deficient number, since it is larger than the sum of its proper divisors (1).

6201172840087 is an equidigital number, since it uses as much as digits as its factorization.

6201172840087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 6201172840087 in words is "six trillion, two hundred one billion, one hundred seventy-two million, eight hundred forty thousand, eighty-seven".