25654242511 has 2 divisors, whose sum is σ = 25654242512. Its totient is φ = 25654242510.

The previous prime is 25654242469. The next prime is 25654242517. The reversal of 25654242511 is 11524245652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25654242511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25654242517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12827121255 + 12827121256.

It is an arithmetic number, because the mean of its divisors is an integer number (12827121256).

Almost surely, 2^25654242511 is an apocalyptic number.

25654242511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25654242511 is an equidigital number, since it uses as much as digits as its factorization.

25654242511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96000, while the sum is 37.

The spelling of 25654242511 in words is "twenty-five billion, six hundred fifty-four million, two hundred forty-two thousand, five hundred eleven".