125895686449 has 8 divisors (see below), whose sum is σ = 136095486912. Its totient is φ = 115769531280.

The previous prime is 125895686429. The next prime is 125895686473. The reversal of 125895686449 is 944686598521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125895686449 - 2²⁵ = 125862132017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125895686429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18407767 + ... + 18414604.

It is an arithmetic number, because the mean of its divisors is an integer number (17011935864).

Almost surely, 2^125895686449 is an apocalyptic number.

It is an amenable number.

125895686449 is a deficient number, since it is larger than the sum of its proper divisors (10199800463).

125895686449 is a wasteful number, since it uses less digits than its factorization.

125895686449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36822647.

The product of its digits is 149299200, while the sum is 67.

The spelling of 125895686449 in words is "one hundred twenty-five billion, eight hundred ninety-five million, six hundred eighty-six thousand, four hundred forty-nine".