11505000655072 has 72 divisors (see below), whose sum is σ = 24309281730384. Its totient is φ = 5358301888512.

The previous prime is 11505000655039. The next prime is 11505000655103. The reversal of 11505000655072 is 27055600050511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5515588 + ... + 7309699.

It is an arithmetic number, because the mean of its divisors is an integer number (337628912922).

Almost surely, 2^{11505000655072} is an apocalyptic number.

It is an amenable number.

11505000655072 is an abundant number, since it is smaller than the sum of its proper divisors (12804281075312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11505000655072 is a wasteful number, since it uses less digits than its factorization.

11505000655072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12825428 (or 12825403 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 11505000655072 in words is "eleven trillion, five hundred five billion, six hundred fifty-five thousand, seventy-two".