5231724506545 has 32 divisors (see below), whose sum is σ = 6810270185376. Its totient is φ = 3842667724800.

The previous prime is 5231724506521. The next prime is 5231724506563. The reversal of 5231724506545 is 5456054271325.

It can be written as a sum of positive squares in 16 ways, for example, as 626953574416 + 4604770932129 = 791804^2 + 2145873^2 .

It is not a de Polignac number, because 5231724506545 - 2³⁵ = 5197364768177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32459055 + ... + 32619835.

It is an arithmetic number, because the mean of its divisors is an integer number (212820943293).

Almost surely, 2^{5231724506545} is an apocalyptic number.

It is an amenable number.

5231724506545 is a deficient number, since it is larger than the sum of its proper divisors (1578545678831).

5231724506545 is a wasteful number, since it uses less digits than its factorization.

5231724506545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170181.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 5231724506545 in words is "five trillion, two hundred thirty-one billion, seven hundred twenty-four million, five hundred six thousand, five hundred forty-five".