15272250728643 has 24 divisors (see below), whose sum is σ = 22362402226320. Its totient is φ = 10041895918080.

The previous prime is 15272250728639. The next prime is 15272250728699. The reversal of 15272250728643 is 34682705227251.

15272250728643 is a `hidden beast` number, since 1 + 5 + 2 + 72 + 2 + 507 + 2 + 8 + 64 + 3 = 666.

It is not a de Polignac number, because 15272250728643 - 2² = 15272250728639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15272250728643.

It is not an unprimeable number, because it can be changed into a prime (15272250728443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94349088 + ... + 94510818.

It is an arithmetic number, because the mean of its divisors is an integer number (931766759430).

Almost surely, 2^{15272250728643} is an apocalyptic number.

15272250728643 is a deficient number, since it is larger than the sum of its proper divisors (7090151497677).

15272250728643 is a wasteful number, since it uses less digits than its factorization.

15272250728643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305539 (or 305536 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 15272250728643 in words is "fifteen trillion, two hundred seventy-two billion, two hundred fifty million, seven hundred twenty-eight thousand, six hundred forty-three".