255540211367 has 4 divisors (see below), whose sum is σ = 292045955856. Its totient is φ = 219034466880.

The previous prime is 255540211351. The next prime is 255540211391. The reversal of 255540211367 is 763112045552.

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 255540211367 - 2⁴ = 255540211351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255540211327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18252872234 + ... + 18252872247.

It is an arithmetic number, because the mean of its divisors is an integer number (73011488964).

Almost surely, 2^255540211367 is an apocalyptic number.

255540211367 is a deficient number, since it is larger than the sum of its proper divisors (36505744489).

255540211367 is an equidigital number, since it uses as much as digits as its factorization.

255540211367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36505744488.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 255540211367 in words is "two hundred fifty-five billion, five hundred forty million, two hundred eleven thousand, three hundred sixty-seven".