13415424477855 has 8 divisors (see below), whose sum is σ = 21464679164592. Its totient is φ = 7154893054848.

The previous prime is 13415424477841. The next prime is 13415424477859. The reversal of 13415424477855 is 55877442451431.

13415424477855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13415424477855 - 2²⁹ = 13414887606943 is a prime.

It is a super-2 number, since 2×13415424477855² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415424477859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447180815914 + ... + 447180815943.

It is an arithmetic number, because the mean of its divisors is an integer number (2683084895574).

Almost surely, 2^{13415424477855} is an apocalyptic number.

13415424477855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13415424477855 is a deficient number, since it is larger than the sum of its proper divisors (8049254686737).

13415424477855 is an equidigital number, since it uses as much as digits as its factorization.

13415424477855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894361631865.

The product of its digits is 75264000, while the sum is 60.

The spelling of 13415424477855 in words is "thirteen trillion, four hundred fifteen billion, four hundred twenty-four million, four hundred seventy-seven thousand, eight hundred fifty-five".