5271724672541 has 4 divisors (see below), whose sum is σ = 5291322162300. Its totient is φ = 5252127182784.

The previous prime is 5271724672517. The next prime is 5271724672561. The reversal of 5271724672541 is 1452764271725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1694217227641 + 3577507444900 = 1301621^2 + 1891430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5271724672541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271724672561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9798744476 + ... + 9798745013.

It is an arithmetic number, because the mean of its divisors is an integer number (1322830540575).

Almost surely, 2^{5271724672541} is an apocalyptic number.

It is an amenable number.

5271724672541 is a deficient number, since it is larger than the sum of its proper divisors (19597489759).

5271724672541 is a wasteful number, since it uses less digits than its factorization.

5271724672541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597489758.

The product of its digits is 6585600, while the sum is 53.

The spelling of 5271724672541 in words is "five trillion, two hundred seventy-one billion, seven hundred twenty-four million, six hundred seventy-two thousand, five hundred forty-one".