125055364647 has 4 divisors (see below), whose sum is σ = 166740486200. Its totient is φ = 83370243096.

The previous prime is 125055364619. The next prime is 125055364649. The reversal of 125055364647 is 746463550521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125055364647 - 2¹⁹ = 125054840359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125055364596 and 125055364605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125055364649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20842560772 + ... + 20842560777.

It is an arithmetic number, because the mean of its divisors is an integer number (41685121550).

Almost surely, 2^125055364647 is an apocalyptic number.

125055364647 is a deficient number, since it is larger than the sum of its proper divisors (41685121553).

125055364647 is an equidigital number, since it uses as much as digits as its factorization.

125055364647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41685121552.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 125055364647 in words is "one hundred twenty-five billion, fifty-five million, three hundred sixty-four thousand, six hundred forty-seven".