255251203555 has 8 divisors (see below), whose sum is σ = 306345488544. Its totient is φ = 204171600000.

The previous prime is 255251203541. The next prime is 255251203567. The reversal of 255251203555 is 555302152552.

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

It is not a de Polignac number, because 255251203555 - 2⁵ = 255251203523 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3632071 + ... + 3701680.

It is an arithmetic number, because the mean of its divisors is an integer number (38293186068).

Almost surely, 2^255251203555 is an apocalyptic number.

255251203555 is a deficient number, since it is larger than the sum of its proper divisors (51094284989).

255251203555 is an equidigital number, since it uses as much as digits as its factorization.

255251203555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340717.

The product of its (nonzero) digits is 375000, while the sum is 40.

The spelling of 255251203555 in words is "two hundred fifty-five billion, two hundred fifty-one million, two hundred three thousand, five hundred fifty-five".