255126655031 has 4 divisors (see below), whose sum is σ = 256448554992. Its totient is φ = 253804755072.

The previous prime is 255126655009. The next prime is 255126655033. The reversal of 255126655031 is 130556621552.

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

It is a cyclic number.

It is not a de Polignac number, because 255126655031 - 2⁶ = 255126654967 is a prime.

It is a super-2 number, since 2×255126655031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255126655031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255126655033) 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 3 ways as a sum of consecutive naturals, for example, 660949691 + ... + 660950076.

It is an arithmetic number, because the mean of its divisors is an integer number (64112138748).

Almost surely, 2^255126655031 is an apocalyptic number.

255126655031 is a deficient number, since it is larger than the sum of its proper divisors (1321899961).

255126655031 is a wasteful number, since it uses less digits than its factorization.

255126655031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321899960.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 255126655031 in words is "two hundred fifty-five billion, one hundred twenty-six million, six hundred fifty-five thousand, thirty-one".