11505000655073 has 4 divisors (see below), whose sum is σ = 12110527005360. Its totient is φ = 10899474304788.

The previous prime is 11505000655039. The next prime is 11505000655103. The reversal of 11505000655073 is 37055600050511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11505000655073 - 2²⁰ = 11504999606497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11505030655073) 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, 302763175115 + ... + 302763175152.

It is an arithmetic number, because the mean of its divisors is an integer number (3027631751340).

Almost surely, 2^{11505000655073} is an apocalyptic number.

It is an amenable number.

11505000655073 is a deficient number, since it is larger than the sum of its proper divisors (605526350287).

11505000655073 is an equidigital number, since it uses as much as digits as its factorization.

11505000655073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605526350286.

The product of its (nonzero) digits is 78750, while the sum is 38.

The spelling of 11505000655073 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, seventy-three".