13817243229552 has 120 divisors (see below), whose sum is σ = 45717151340640. Its totient is φ = 3811653296640.

The previous prime is 13817243229539. The next prime is 13817243229553. The reversal of 13817243229552 is 25592234271831.

13817243229552 is a `hidden beast` number, since 1 + 3 + 8 + 1 + 72 + 432 + 2 + 95 + 52 = 666.

It is a super-2 number, since 2×13817243229552² (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 (13817243229553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236308399 + ... + 236366862.

It is an arithmetic number, because the mean of its divisors is an integer number (380976261172).

Almost surely, 2^{13817243229552} is an apocalyptic number.

13817243229552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13817243229552 is an abundant number, since it is smaller than the sum of its proper divisors (31899908111088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13817243229552 is a wasteful number, since it uses less digits than its factorization.

13817243229552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472675311 (or 472675302 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 13817243229552 in words is "thirteen trillion, eight hundred seventeen billion, two hundred forty-three million, two hundred twenty-nine thousand, five hundred fifty-two".