725122313612152 has 64 divisors (see below), whose sum is σ = 1399875845565600. Its totient is φ = 351871622553600.

The previous prime is 725122313612111. The next prime is 725122313612167. The reversal of 725122313612152 is 251216313221527.

It is a super-2 number, since 2×725122313612152² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 725122313612099 and 725122313612108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4919044624 + ... + 4919192032.

Almost surely, 2^{725122313612152} is an apocalyptic number.

It is an amenable number.

725122313612152 is a deficient number, since it is larger than the sum of its proper divisors (674753531953448).

725122313612152 is a wasteful number, since it uses less digits than its factorization.

725122313612152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189296 (or 189292 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

Adding to 725122313612152 its reverse (251216313221527), we get a palindrome (976338626833679).

The spelling of 725122313612152 in words is "seven hundred twenty-five trillion, one hundred twenty-two billion, three hundred thirteen million, six hundred twelve thousand, one hundred fifty-two".