13678254501225 has 48 divisors (see below), whose sum is σ = 22653949042560. Its totient is φ = 7282416153600.

The previous prime is 13678254501221. The next prime is 13678254501283. The reversal of 13678254501225 is 52210545287631.

It is a happy number.

It is not a de Polignac number, because 13678254501225 - 2² = 13678254501221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13678254501221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389798481 + ... + 389833569.

It is an arithmetic number, because the mean of its divisors is an integer number (471957271720).

Almost surely, 2^{13678254501225} is an apocalyptic number.

13678254501225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13678254501225 is a deficient number, since it is larger than the sum of its proper divisors (8975694541335).

13678254501225 is a wasteful number, since it uses less digits than its factorization.

13678254501225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43970 (or 43965 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

Adding to 13678254501225 its reverse (52210545287631), we get a palindrome (65888799788856).

The spelling of 13678254501225 in words is "thirteen trillion, six hundred seventy-eight billion, two hundred fifty-four million, five hundred one thousand, two hundred twenty-five".