8135321451600 has 180 divisors, whose sum is σ = 30314864379264. Its totient is φ = 1859502032640.

The previous prime is 8135321451493. The next prime is 8135321451601. The reversal of 8135321451600 is 61541235318.

It is a super-2 number, since 2×8135321451600² (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 (8135321451601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69119104 + ... + 69236703.

Almost surely, 2^{8135321451600} is an apocalyptic number.

8135321451600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8135321451600 is an abundant number, since it is smaller than the sum of its proper divisors (22179542927664).

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

8135321451600 is a wasteful number, since it uses less digits than its factorization.

8135321451600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138355842 (or 138355824 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 8135321451600 its reverse (61541235318), we get a palindrome (8196862686918).

The spelling of 8135321451600 in words is "eight trillion, one hundred thirty-five billion, three hundred twenty-one million, four hundred fifty-one thousand, six hundred".