12415040255 has 4 divisors (see below), whose sum is σ = 14898048312. Its totient is φ = 9932032200.

The previous prime is 12415040227. The next prime is 12415040327. The reversal of 12415040255 is 55204051421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55204051421 = 71 ⋅777521851.

It is not a de Polignac number, because 12415040255 - 2²⁰ = 12413991679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241504021 + ... + 1241504030.

It is an arithmetic number, because the mean of its divisors is an integer number (3724512078).

Almost surely, 2^12415040255 is an apocalyptic number.

12415040255 is a deficient number, since it is larger than the sum of its proper divisors (2483008057).

12415040255 is an equidigital number, since it uses as much as digits as its factorization.

12415040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483008056.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 12415040255 its reverse (55204051421), we get a palindrome (67619091676).

The spelling of 12415040255 in words is "twelve billion, four hundred fifteen million, forty thousand, two hundred fifty-five".