12405364655 has 8 divisors (see below), whose sum is σ = 15399763200. Its totient is φ = 9582074656.

The previous prime is 12405364589. The next prime is 12405364667. The reversal of 12405364655 is 55646350421.

It is a happy number.

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 12405364655 - 2⁸ = 12405364399 is a prime.

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, 42776975 + ... + 42777264.

It is an arithmetic number, because the mean of its divisors is an integer number (1924970400).

Almost surely, 2^12405364655 is an apocalyptic number.

12405364655 is a deficient number, since it is larger than the sum of its proper divisors (2994398545).

12405364655 is an equidigital number, since it uses as much as digits as its factorization.

12405364655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85554273.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 12405364655 in words is "twelve billion, four hundred five million, three hundred sixty-four thousand, six hundred fifty-five".