6872186256251 has 4 divisors (see below), whose sum is σ = 7093869683904. Its totient is φ = 6650502828600.

The previous prime is 6872186256233. The next prime is 6872186256269. The reversal of 6872186256251 is 1526526812786.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6872186256233) and next prime (6872186256269).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6872186256251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6872186256751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110841713780 + ... + 110841713841.

It is an arithmetic number, because the mean of its divisors is an integer number (1773467420976).

Almost surely, 2^{6872186256251} is an apocalyptic number.

6872186256251 is a deficient number, since it is larger than the sum of its proper divisors (221683427653).

6872186256251 is a wasteful number, since it uses less digits than its factorization.

6872186256251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221683427652.

The product of its digits is 19353600, while the sum is 59.

The spelling of 6872186256251 in words is "six trillion, eight hundred seventy-two billion, one hundred eighty-six million, two hundred fifty-six thousand, two hundred fifty-one".