255545216155347 has 4 divisors (see below), whose sum is σ = 340726954873800. Its totient is φ = 170363477436896.

The previous prime is 255545216155331. The next prime is 255545216155387. The reversal of 255545216155347 is 743551612545552.

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 255545216155347 - 2⁴ = 255545216155331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255545216155387) 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, 42590869359222 + ... + 42590869359227.

It is an arithmetic number, because the mean of its divisors is an integer number (85181738718450).

Almost surely, 2^{255545216155347} is an apocalyptic number.

255545216155347 is a deficient number, since it is larger than the sum of its proper divisors (85181738718453).

255545216155347 is an equidigital number, since it uses as much as digits as its factorization.

255545216155347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85181738718452.

The product of its digits is 126000000, while the sum is 60.

The spelling of 255545216155347 in words is "two hundred fifty-five trillion, five hundred forty-five billion, two hundred sixteen million, one hundred fifty-five thousand, three hundred forty-seven".