255303025305 has 128 divisors (see below), whose sum is σ = 446515200000. Its totient is φ = 124208308224.

The previous prime is 255303025303. The next prime is 255303025309. The reversal of 255303025305 is 503520303552.

It is not a de Polignac number, because 255303025305 - 2¹ = 255303025303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255303025303) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 204405321 + ... + 204406569.

It is an arithmetic number, because the mean of its divisors is an integer number (3488400000).

Almost surely, 2^255303025305 is an apocalyptic number.

It is an amenable number.

255303025305 is a deficient number, since it is larger than the sum of its proper divisors (191212174695).

255303025305 is a wasteful number, since it uses less digits than its factorization.

255303025305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 67500, while the sum is 33.

Adding to 255303025305 its reverse (503520303552), we get a palindrome (758823328857).

The spelling of 255303025305 in words is "two hundred fifty-five billion, three hundred three million, twenty-five thousand, three hundred five".