12505256335 has 32 divisors (see below), whose sum is σ = 17639576640. Its totient is φ = 8390476800.

The previous prime is 12505256333. The next prime is 12505256381. The reversal of 12505256335 is 53365250521.

It is not a de Polignac number, because 12505256335 - 2¹ = 12505256333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12505256294 and 12505256303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505256333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704475 + ... + 1711795.

It is an arithmetic number, because the mean of its divisors is an integer number (551236770).

Almost surely, 2^12505256335 is an apocalyptic number.

12505256335 is a deficient number, since it is larger than the sum of its proper divisors (5134320305).

12505256335 is a wasteful number, since it uses less digits than its factorization.

12505256335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 12505256335 in words is "twelve billion, five hundred five million, two hundred fifty-six thousand, three hundred thirty-five".