12404353545 has 12 divisors (see below), whose sum is σ = 21500879556. Its totient is φ = 6615655200.

The previous prime is 12404353543. The next prime is 12404353553. The reversal of 12404353545 is 54535340421.

12404353545 is a `hidden beast` number, since 1 + 2 + 40 + 43 + 535 + 45 = 666.

12404353545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2868245136 + 9536108409 = 53556^2 + 97653^2 .

It is not a de Polignac number, because 12404353545 - 2¹ = 12404353543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12404353543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137826106 + ... + 137826195.

It is an arithmetic number, because the mean of its divisors is an integer number (1791739963).

Almost surely, 2^12404353545 is an apocalyptic number.

12404353545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12404353545 is a deficient number, since it is larger than the sum of its proper divisors (9096526011).

12404353545 is a wasteful number, since it uses less digits than its factorization.

12404353545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275652312 (or 275652309 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 12404353545 its reverse (54535340421), we get a palindrome (66939693966).

The spelling of 12404353545 in words is "twelve billion, four hundred four million, three hundred fifty-three thousand, five hundred forty-five".