8520540733145 has 16 divisors (see below), whose sum is σ = 11685370667520. Its totient is φ = 5842627671744.

The previous prime is 8520540733141. The next prime is 8520540733169. The reversal of 8520540733145 is 5413370450258.

It is a cyclic number.

It is not a de Polignac number, because 8520540733145 - 2² = 8520540733141 is a prime.

It is a super-2 number, since 2×8520540733145² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8520540733145.

It is not an unprimeable number, because it can be changed into a prime (8520540733141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8562224 + ... + 9505406.

It is an arithmetic number, because the mean of its divisors is an integer number (730335666720).

Almost surely, 2^{8520540733145} is an apocalyptic number.

It is an amenable number.

8520540733145 is a deficient number, since it is larger than the sum of its proper divisors (3164829934375).

8520540733145 is a wasteful number, since it uses less digits than its factorization.

8520540733145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201304.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 8520540733145 in words is "eight trillion, five hundred twenty billion, five hundred forty million, seven hundred thirty-three thousand, one hundred forty-five".