255153040305 has 16 divisors (see below), whose sum is σ = 417738932160. Its totient is φ = 132916932288.

The previous prime is 255153040301. The next prime is 255153040319. The reversal of 255153040305 is 503040351552.

It is a happy number.

It is not a de Polignac number, because 255153040305 - 2² = 255153040301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255153040301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197792410 + ... + 197793699.

It is an arithmetic number, because the mean of its divisors is an integer number (26108683260).

Almost surely, 2^255153040305 is an apocalyptic number.

It is an amenable number.

255153040305 is a deficient number, since it is larger than the sum of its proper divisors (162585891855).

255153040305 is a wasteful number, since it uses less digits than its factorization.

255153040305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395586160.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 255153040305 its reverse (503040351552), we get a palindrome (758193391857).

The spelling of 255153040305 in words is "two hundred fifty-five billion, one hundred fifty-three million, forty thousand, three hundred five".