125828449205 has 8 divisors (see below), whose sum is σ = 152405299872. Its totient is φ = 99721985488.

The previous prime is 125828449163. The next prime is 125828449217. The reversal of 125828449205 is 502944828521.

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

It is a cyclic number.

It is not a de Polignac number, because 125828449205 - 2²⁸ = 125560013749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117596147 + ... + 117597216.

It is an arithmetic number, because the mean of its divisors is an integer number (19050662484).

Almost surely, 2^125828449205 is an apocalyptic number.

It is an amenable number.

125828449205 is a deficient number, since it is larger than the sum of its proper divisors (26576850667).

125828449205 is a wasteful number, since it uses less digits than its factorization.

125828449205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235193475.

The product of its (nonzero) digits is 1843200, while the sum is 50.

The spelling of 125828449205 in words is "one hundred twenty-five billion, eight hundred twenty-eight million, four hundred forty-nine thousand, two hundred five".