255032813861 has 16 divisors (see below), whose sum is σ = 304250824320. Its totient is φ = 209204700480.

The previous prime is 255032813857. The next prime is 255032813891. The reversal of 255032813861 is 168318230552.

255032813861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 255032813861 - 2² = 255032813857 is a prime.

It is a super-3 number, since 3×255032813861³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255032813801) 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 in 15 ways as a sum of consecutive naturals, for example, 8055371 + ... + 8086968.

It is an arithmetic number, because the mean of its divisors is an integer number (19015676520).

Almost surely, 2^255032813861 is an apocalyptic number.

It is an amenable number.

255032813861 is a deficient number, since it is larger than the sum of its proper divisors (49218010459).

255032813861 is a wasteful number, since it uses less digits than its factorization.

255032813861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142444.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 255032813861 in words is "two hundred fifty-five billion, thirty-two million, eight hundred thirteen thousand, eight hundred sixty-one".