126825085899 has 12 divisors (see below), whose sum is σ = 192833464200. Its totient is φ = 80100054144.

The previous prime is 126825085879. The next prime is 126825085931. The reversal of 126825085899 is 998580528621.

126825085899 is a `hidden beast` number, since 1 + 26 + 8 + 25 + 0 + 8 + 589 + 9 = 666.

It is not a de Polignac number, because 126825085899 - 2⁸ = 126825085643 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (126825085859) 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 in 11 ways as a sum of consecutive naturals, for example, 370833414 + ... + 370833755.

It is an arithmetic number, because the mean of its divisors is an integer number (16069455350).

Almost surely, 2^126825085899 is an apocalyptic number.

126825085899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

126825085899 is a deficient number, since it is larger than the sum of its proper divisors (66008378301).

126825085899 is a wasteful number, since it uses less digits than its factorization.

126825085899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741667194 (or 741667191 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 126825085899 in words is "one hundred twenty-six billion, eight hundred twenty-five million, eighty-five thousand, eight hundred ninety-nine".