5272788240721 has 8 divisors (see below), whose sum is σ = 5276785548384. Its totient is φ = 5268791711040.

The previous prime is 5272788240653. The next prime is 5272788240751. The reversal of 5272788240721 is 1270428872725.

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 5272788240721 - 2³⁵ = 5238428502353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5272788240751) 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, 13742730 + ... + 14121196.

It is an arithmetic number, because the mean of its divisors is an integer number (659598193548).

Almost surely, 2^{5272788240721} is an apocalyptic number.

It is an amenable number.

5272788240721 is a deficient number, since it is larger than the sum of its proper divisors (3997307663).

5272788240721 is a wasteful number, since it uses less digits than its factorization.

5272788240721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388991.

The product of its (nonzero) digits is 7024640, while the sum is 55.

The spelling of 5272788240721 in words is "five trillion, two hundred seventy-two billion, seven hundred eighty-eight million, two hundred forty thousand, seven hundred twenty-one".