125635858567 has 2 divisors, whose sum is σ = 125635858568. Its totient is φ = 125635858566.

The previous prime is 125635858511. The next prime is 125635858577. The reversal of 125635858567 is 765858536521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125635858567 - 2²³ = 125627469959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125635858577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62817929283 + 62817929284.

It is an arithmetic number, because the mean of its divisors is an integer number (62817929284).

Almost surely, 2^125635858567 is an apocalyptic number.

125635858567 is a deficient number, since it is larger than the sum of its proper divisors (1).

125635858567 is an equidigital number, since it uses as much as digits as its factorization.

125635858567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480000, while the sum is 61.

The spelling of 125635858567 in words is "one hundred twenty-five billion, six hundred thirty-five million, eight hundred fifty-eight thousand, five hundred sixty-seven".