12552505405 has 16 divisors (see below), whose sum is σ = 16435151424. Its totient is φ = 9127550080.

The previous prime is 12552505403. The next prime is 12552505423. The reversal of 12552505405 is 50450525521.

It is not a de Polignac number, because 12552505405 - 2¹ = 12552505403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552505403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384897 + ... + 416233.

It is an arithmetic number, because the mean of its divisors is an integer number (1027196964).

Almost surely, 2^12552505405 is an apocalyptic number.

It is an amenable number.

12552505405 is a deficient number, since it is larger than the sum of its proper divisors (3882646019).

12552505405 is a wasteful number, since it uses less digits than its factorization.

12552505405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38636.

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 12552505405 in words is "twelve billion, five hundred fifty-two million, five hundred five thousand, four hundred five".