15253120323445 has 8 divisors (see below), whose sum is σ = 18305148450744. Its totient is φ = 12201560217024.

The previous prime is 15253120323433. The next prime is 15253120323451. The reversal of 15253120323445 is 54432302135251.

It can be written as a sum of positive squares in 4 ways, for example, as 1260089316369 + 13993031007076 = 1122537^2 + 3740726^2 .

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 15253120323445 - 2³⁹ = 14703364509557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15253120323398 and 15253120323407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116933514 + ... + 117063883.

It is an arithmetic number, because the mean of its divisors is an integer number (2288143556343).

Almost surely, 2^{15253120323445} is an apocalyptic number.

It is an amenable number.

15253120323445 is a deficient number, since it is larger than the sum of its proper divisors (3052028127299).

15253120323445 is a wasteful number, since it uses less digits than its factorization.

15253120323445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234010439.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 15253120323445 its reverse (54432302135251), we get a palindrome (69685422458696).

The spelling of 15253120323445 in words is "fifteen trillion, two hundred fifty-three billion, one hundred twenty million, three hundred twenty-three thousand, four hundred forty-five".