126600254055 has 24 divisors (see below), whose sum is σ = 239389572240. Its totient is φ = 61381941120.

The previous prime is 126600254023. The next prime is 126600254071. The reversal of 126600254055 is 550452006621.

126600254055 is a `hidden beast` number, since 1 + 2 + 6 + 60 + 0 + 2 + 540 + 55 = 666.

It is not a de Polignac number, because 126600254055 - 2⁵ = 126600254023 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 127878550 + ... + 127879539.

It is an arithmetic number, because the mean of its divisors is an integer number (9974565510).

Almost surely, 2^126600254055 is an apocalyptic number.

126600254055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126600254055 is a deficient number, since it is larger than the sum of its proper divisors (112789318185).

126600254055 is a wasteful number, since it uses less digits than its factorization.

126600254055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255758111 (or 255758108 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 126600254055 in words is "one hundred twenty-six billion, six hundred million, two hundred fifty-four thousand, fifty-five".