13240502005145 has 8 divisors (see below), whose sum is σ = 15954530218440. Its totient is φ = 10548449729280.

The previous prime is 13240502005127. The next prime is 13240502005183. The reversal of 13240502005145 is 54150020504231.

13240502005145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3329993579929 + 9910508425216 = 1824827^2 + 3148096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13240502005145 - 2²⁰ = 13240500956569 is a prime.

It is a Curzon 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, 5493983030 + ... + 5493985439.

It is an arithmetic number, because the mean of its divisors is an integer number (1994316277305).

Almost surely, 2^{13240502005145} is an apocalyptic number.

It is an amenable number.

13240502005145 is a deficient number, since it is larger than the sum of its proper divisors (2714028213295).

13240502005145 is a wasteful number, since it uses less digits than its factorization.

13240502005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987968715.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 13240502005145 its reverse (54150020504231), we get a palindrome (67390522509376).

The spelling of 13240502005145 in words is "thirteen trillion, two hundred forty billion, five hundred two million, five thousand, one hundred forty-five".