255881700126 has 48 divisors (see below), whose sum is σ = 597332495760. Its totient is φ = 78696541440.

The previous prime is 255881700049. The next prime is 255881700131. The reversal of 255881700126 is 621007188552.

255881700126 is a `hidden beast` number, since 2 + 558 + 8 + 1 + 70 + 0 + 1 + 26 = 666.

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, 258966 + ... + 760806.

It is an arithmetic number, because the mean of its divisors is an integer number (12444426995).

Almost surely, 2^255881700126 is an apocalyptic number.

255881700126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255881700126 is an abundant number, since it is smaller than the sum of its proper divisors (341450795634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255881700126 is a wasteful number, since it uses less digits than its factorization.

255881700126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504041 (or 504038 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

Adding to 255881700126 its reverse (621007188552), we get a palindrome (876888888678).

The spelling of 255881700126 in words is "two hundred fifty-five billion, eight hundred eighty-one million, seven hundred thousand, one hundred twenty-six".