12005541503215 has 16 divisors (see below), whose sum is σ = 15595241493888. Its totient is φ = 8819694729216.

The previous prime is 12005541503203. The next prime is 12005541503237. The reversal of 12005541503215 is 51230514550021.

It is a cyclic number.

It is not a de Polignac number, because 12005541503215 - 2²⁵ = 12005507948783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478486519 + ... + 478511608.

It is an arithmetic number, because the mean of its divisors is an integer number (974702593368).

Almost surely, 2^{12005541503215} is an apocalyptic number.

12005541503215 is a deficient number, since it is larger than the sum of its proper divisors (3589699990673).

12005541503215 is a wasteful number, since it uses less digits than its factorization.

12005541503215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956998338.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 12005541503215 in words is "twelve trillion, five billion, five hundred forty-one million, five hundred three thousand, two hundred fifteen".