12408476555 has 4 divisors (see below), whose sum is σ = 14890171872. Its totient is φ = 9926781240.

The previous prime is 12408476543. The next prime is 12408476557. The reversal of 12408476555 is 55567480421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55567480421 = 12163 ⋅4568567.

It is not a de Polignac number, because 12408476555 - 2¹² = 12408472459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12408476557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240847651 + ... + 1240847660.

It is an arithmetic number, because the mean of its divisors is an integer number (3722542968).

Almost surely, 2^12408476555 is an apocalyptic number.

12408476555 is a deficient number, since it is larger than the sum of its proper divisors (2481695317).

12408476555 is an equidigital number, since it uses as much as digits as its factorization.

12408476555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481695316.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 12408476555 in words is "twelve billion, four hundred eight million, four hundred seventy-six thousand, five hundred fifty-five".