12405536061 has 8 divisors (see below), whose sum is σ = 16545606144. Its totient is φ = 8267911680.

The previous prime is 12405536047. The next prime is 12405536063. The reversal of 12405536061 is 16063550421.

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

It is not a de Polignac number, because 12405536061 - 2¹⁵ = 12405503293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405536063) 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, 599556 + ... + 619901.

It is an arithmetic number, because the mean of its divisors is an integer number (2068200768).

Almost surely, 2^12405536061 is an apocalyptic number.

It is an amenable number.

12405536061 is a deficient number, since it is larger than the sum of its proper divisors (4140070083).

12405536061 is a wasteful number, since it uses less digits than its factorization.

12405536061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222851.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 12405536061 in words is "twelve billion, four hundred five million, five hundred thirty-six thousand, sixty-one".