15217060428825 has 24 divisors (see below), whose sum is σ = 25160322225600. Its totient is φ = 8115298148160.

The previous prime is 15217060428821. The next prime is 15217060428827. The reversal of 15217060428825 is 52882406071251.

It is a happy number.

It is not a de Polignac number, because 15217060428825 - 2² = 15217060428821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15217060428821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4529805 + ... + 7138154.

It is an arithmetic number, because the mean of its divisors is an integer number (1048346759400).

Almost surely, 2^{15217060428825} is an apocalyptic number.

15217060428825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15217060428825 is a deficient number, since it is larger than the sum of its proper divisors (9943261796775).

15217060428825 is a wasteful number, since it uses less digits than its factorization.

15217060428825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685361 (or 11685356 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 15217060428825 in words is "fifteen trillion, two hundred seventeen billion, sixty million, four hundred twenty-eight thousand, eight hundred twenty-five".