25512415463 has 2 divisors, whose sum is σ = 25512415464. Its totient is φ = 25512415462.

The previous prime is 25512415429. The next prime is 25512415493. The reversal of 25512415463 is 36451421552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25512415463 - 2⁸ = 25512415207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25512415493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12756207731 + 12756207732.

It is an arithmetic number, because the mean of its divisors is an integer number (12756207732).

Almost surely, 2^25512415463 is an apocalyptic number.

25512415463 is a deficient number, since it is larger than the sum of its proper divisors (1).

25512415463 is an equidigital number, since it uses as much as digits as its factorization.

25512415463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 38.

The spelling of 25512415463 in words is "twenty-five billion, five hundred twelve million, four hundred fifteen thousand, four hundred sixty-three".