12406417955 has 4 divisors (see below), whose sum is σ = 14887701552. Its totient is φ = 9925134360.

The previous prime is 12406417949. The next prime is 12406417967. The reversal of 12406417955 is 55971460421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55971460421 = 79 ⋅708499499.

It is not a de Polignac number, because 12406417955 - 2¹⁰ = 12406416931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240641791 + ... + 1240641800.

It is an arithmetic number, because the mean of its divisors is an integer number (3721925388).

Almost surely, 2^12406417955 is an apocalyptic number.

12406417955 is a deficient number, since it is larger than the sum of its proper divisors (2481283597).

12406417955 is an equidigital number, since it uses as much as digits as its factorization.

12406417955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481283596.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 12406417955 in words is "twelve billion, four hundred six million, four hundred seventeen thousand, nine hundred fifty-five".