255891051043 has 8 divisors (see below), whose sum is σ = 260094781440. Its totient is φ = 251687604480.

The previous prime is 255891051041. The next prime is 255891051049. The reversal of 255891051043 is 340150198552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255891051043 - 2¹ = 255891051041 is a prime.

It is a super-3 number, since 3×255891051043³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255891051041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513118 + ... + 2612956.

It is an arithmetic number, because the mean of its divisors is an integer number (32511847680).

Almost surely, 2^255891051043 is an apocalyptic number.

255891051043 is a deficient number, since it is larger than the sum of its proper divisors (4203730397).

255891051043 is an equidigital number, since it uses as much as digits as its factorization.

255891051043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141917.

The product of its (nonzero) digits is 216000, while the sum is 43.

The spelling of 255891051043 in words is "two hundred fifty-five billion, eight hundred ninety-one million, fifty-one thousand, forty-three".