12411515521 has 8 divisors (see below), whose sum is σ = 13144908320. Its totient is φ = 11686138272.

The previous prime is 12411515513. The next prime is 12411515569. The reversal of 12411515521 is 12551511421.

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

It is a cyclic number.

It is not a de Polignac number, because 12411515521 - 2³ = 12411515513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12411515521.

It is not an unprimeable number, because it can be changed into a prime (12411515021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2000700 + ... + 2006893.

It is an arithmetic number, because the mean of its divisors is an integer number (1643113540).

Almost surely, 2^12411515521 is an apocalyptic number.

It is an amenable number.

12411515521 is a deficient number, since it is larger than the sum of its proper divisors (733392799).

12411515521 is a wasteful number, since it uses less digits than its factorization.

12411515521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007775.

The product of its digits is 2000, while the sum is 28.

The spelling of 12411515521 in words is "twelve billion, four hundred eleven million, five hundred fifteen thousand, five hundred twenty-one".