125550838447 has 8 divisors (see below), whose sum is σ = 126211705200. Its totient is φ = 124890078720.

The previous prime is 125550838409. The next prime is 125550838489. The reversal of 125550838447 is 744838055521.

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 125550838447 - 2¹⁹ = 125550314159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125550838394 and 125550838403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125550836447) 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, 3630297 + ... + 3664717.

It is an arithmetic number, because the mean of its divisors is an integer number (15776463150).

Almost surely, 2^125550838447 is an apocalyptic number.

125550838447 is a deficient number, since it is larger than the sum of its proper divisors (660866753).

125550838447 is a wasteful number, since it uses less digits than its factorization.

125550838447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53513.

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 125550838447 in words is "one hundred twenty-five billion, five hundred fifty million, eight hundred thirty-eight thousand, four hundred forty-seven".