125854344599 has 2 divisors, whose sum is σ = 125854344600. Its totient is φ = 125854344598.

The previous prime is 125854344523. The next prime is 125854344643. The reversal of 125854344599 is 995443458521.

It is a strong prime.

It is an emirp because it is prime and its reverse (995443458521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125854344599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125854394599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62927172299 + 62927172300.

It is an arithmetic number, because the mean of its divisors is an integer number (62927172300).

Almost surely, 2^125854344599 is an apocalyptic number.

125854344599 is a deficient number, since it is larger than the sum of its proper divisors (1).

125854344599 is an equidigital number, since it uses as much as digits as its factorization.

125854344599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104000, while the sum is 59.

The spelling of 125854344599 in words is "one hundred twenty-five billion, eight hundred fifty-four million, three hundred forty-four thousand, five hundred ninety-nine".