125858858247 has 6 divisors (see below), whose sum is σ = 181796128592. Its totient is φ = 83905905492.

The previous prime is 125858858243. The next prime is 125858858263. The reversal of 125858858247 is 742858858521.

125858858247 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 5 + 8 + 8 + 582 + 47 = 666.

It is not a de Polignac number, because 125858858247 - 2² = 125858858243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125858858243) 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 in 5 ways as a sum of consecutive naturals, for example, 6992158783 + ... + 6992158800.

Almost surely, 2^125858858247 is an apocalyptic number.

125858858247 is a deficient number, since it is larger than the sum of its proper divisors (55937270345).

125858858247 is a wasteful number, since it uses less digits than its factorization.

125858858247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13984317589 (or 13984317586 counting only the distinct ones).

The product of its digits is 57344000, while the sum is 63.

The spelling of 125858858247 in words is "one hundred twenty-five billion, eight hundred fifty-eight million, eight hundred fifty-eight thousand, two hundred forty-seven".