12552113405 has 8 divisors (see below), whose sum is σ = 16221192792. Its totient is φ = 9269252928.

The previous prime is 12552113389. The next prime is 12552113443. The reversal of 12552113405 is 50431125521.

It can be written as a sum of positive squares in 4 ways, for example, as 21325924 + 12530787481 = 4618^2 + 111941^2 .

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

It is not a de Polignac number, because 12552113405 - 2⁴ = 12552113389 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 7 ways as a sum of consecutive naturals, for example, 96554654 + ... + 96554783.

It is an arithmetic number, because the mean of its divisors is an integer number (2027649099).

Almost surely, 2^12552113405 is an apocalyptic number.

It is an amenable number.

12552113405 is a deficient number, since it is larger than the sum of its proper divisors (3669079387).

12552113405 is a wasteful number, since it uses less digits than its factorization.

12552113405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193109455.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 12552113405 its reverse (50431125521), we get a palindrome (62983238926).

The spelling of 12552113405 in words is "twelve billion, five hundred fifty-two million, one hundred thirteen thousand, four hundred five".