725815050171 has 8 divisors (see below), whose sum is σ = 967983779664. Its totient is φ = 483761510400.

The previous prime is 725815050137. The next prime is 725815050173. The reversal of 725815050171 is 171050518527.

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

It is not a de Polignac number, because 725815050171 - 2⁷ = 725815050043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (725815050173) 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, 28782726 + ... + 28807931.

It is an arithmetic number, because the mean of its divisors is an integer number (120997972458).

Almost surely, 2^725815050171 is an apocalyptic number.

725815050171 is a deficient number, since it is larger than the sum of its proper divisors (242168729493).

725815050171 is a wasteful number, since it uses less digits than its factorization.

725815050171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57594861.

The product of its (nonzero) digits is 98000, while the sum is 42.

Adding to 725815050171 its reverse (171050518527), we get a palindrome (896865568698).

The spelling of 725815050171 in words is "seven hundred twenty-five billion, eight hundred fifteen million, fifty thousand, one hundred seventy-one".