255102133115513 has 4 divisors (see below), whose sum is σ = 257627896809828. Its totient is φ = 252576369421200.

The previous prime is 255102133115507. The next prime is 255102133115569. The reversal of 255102133115513 is 315511331201552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242023111496464 + 13079021619049 = 15557092^2 + 3616493^2 .

It is a cyclic number.

It is not a de Polignac number, because 255102133115513 - 2⁸ = 255102133115257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255102133415513) 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, 1262881847006 + ... + 1262881847207.

It is an arithmetic number, because the mean of its divisors is an integer number (64406974202457).

Almost surely, 2^{255102133115513} is an apocalyptic number.

It is an amenable number.

255102133115513 is a deficient number, since it is larger than the sum of its proper divisors (2525763694315).

255102133115513 is a wasteful number, since it uses less digits than its factorization.

255102133115513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525763694314.

The product of its (nonzero) digits is 67500, while the sum is 38.

The spelling of 255102133115513 in words is "two hundred fifty-five trillion, one hundred two billion, one hundred thirty-three million, one hundred fifteen thousand, five hundred thirteen".