25111066567 has 2 divisors, whose sum is σ = 25111066568. Its totient is φ = 25111066566.

The previous prime is 25111066559. The next prime is 25111066573. The reversal of 25111066567 is 76566011152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25111066567 - 2³ = 25111066559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25111066507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555533283 + 12555533284.

It is an arithmetic number, because the mean of its divisors is an integer number (12555533284).

Almost surely, 2^25111066567 is an apocalyptic number.

25111066567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25111066567 is an equidigital number, since it uses as much as digits as its factorization.

25111066567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 25111066567 in words is "twenty-five billion, one hundred eleven million, sixty-six thousand, five hundred sixty-seven".