13451113102500 has 180 divisors, whose sum is σ = 42508726115856. Its totient is φ = 3585228984000.

The previous prime is 13451113102457. The next prime is 13451113102507. The reversal of 13451113102500 is 520131115431.

13451113102500 is a `hidden beast` number, since 1 + 3 + 4 + 51 + 1 + 1 + 3 + 102 + 500 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is not an unprimeable number, because it can be changed into a prime (13451113102507) 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 59 ways as a sum of consecutive naturals, for example, 46723999 + ... + 47011001.

Almost surely, 2^{13451113102500} is an apocalyptic number.

13451113102500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13451113102500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21254363057928).

13451113102500 is an abundant number, since it is smaller than the sum of its proper divisors (29057613013356).

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

13451113102500 is a wasteful number, since it uses less digits than its factorization.

13451113102500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289116 (or 289096 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 13451113102500 its reverse (520131115431), we get a palindrome (13971244217931).

The spelling of 13451113102500 in words is "thirteen trillion, four hundred fifty-one billion, one hundred thirteen million, one hundred two thousand, five hundred".