256264225135 has 8 divisors (see below), whose sum is σ = 307610305200. Its totient is φ = 204949223424.

The previous prime is 256264225103. The next prime is 256264225153. The reversal of 256264225135 is 531522462652.

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

It is a cyclic number.

It is not a de Polignac number, because 256264225135 - 2⁵ = 256264225103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256264225091 and 256264225100.

It is a congruent 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, 7751442 + ... + 7784431.

It is an arithmetic number, because the mean of its divisors is an integer number (38451288150).

Almost surely, 2^256264225135 is an apocalyptic number.

256264225135 is a deficient number, since it is larger than the sum of its proper divisors (51346080065).

256264225135 is a wasteful number, since it uses less digits than its factorization.

256264225135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539177.

The product of its digits is 864000, while the sum is 43.

Adding to 256264225135 its reverse (531522462652), we get a palindrome (787786687787).

The spelling of 256264225135 in words is "two hundred fifty-six billion, two hundred sixty-four million, two hundred twenty-five thousand, one hundred thirty-five".