10681428187 has 2 divisors, whose sum is σ = 10681428188. Its totient is φ = 10681428186.

The previous prime is 10681428179. The next prime is 10681428217. The reversal of 10681428187 is 78182418601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10681428187 - 2³ = 10681428179 is a prime.

It is a super-2 number, since 2×10681428187² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10681426187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5340714093 + 5340714094.

It is an arithmetic number, because the mean of its divisors is an integer number (5340714094).

Almost surely, 2^10681428187 is an apocalyptic number.

10681428187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10681428187 is an equidigital number, since it uses as much as digits as its factorization.

10681428187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 46.

The spelling of 10681428187 in words is "ten billion, six hundred eighty-one million, four hundred twenty-eight thousand, one hundred eighty-seven".