25256602515043 has 2 divisors, whose sum is σ = 25256602515044. Its totient is φ = 25256602515042.

The previous prime is 25256602515029. The next prime is 25256602515061. The reversal of 25256602515043 is 34051520665252.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25256602515043 is a prime.

It is a super-3 number, since 3×25256602515043³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25256602514984 and 25256602515002.

It is not a weakly prime, because it can be changed into another prime (25256602515073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12628301257521 + 12628301257522.

It is an arithmetic number, because the mean of its divisors is an integer number (12628301257522).

Almost surely, 2^{25256602515043} is an apocalyptic number.

25256602515043 is a deficient number, since it is larger than the sum of its proper divisors (1).

25256602515043 is an equidigital number, since it uses as much as digits as its factorization.

25256602515043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 25256602515043 in words is "twenty-five trillion, two hundred fifty-six billion, six hundred two million, five hundred fifteen thousand, forty-three".