13105403311452 has 12 divisors (see below), whose sum is σ = 30579274393416. Its totient is φ = 4368467770480.

The previous prime is 13105403311439. The next prime is 13105403311453. The reversal of 13105403311452 is 25411330450131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105403311453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546058471299 + ... + 546058471322.

It is an arithmetic number, because the mean of its divisors is an integer number (2548272866118).

Almost surely, 2^{13105403311452} is an apocalyptic number.

13105403311452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13105403311452 is an abundant number, since it is smaller than the sum of its proper divisors (17473871081964).

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

13105403311452 is a wasteful number, since it uses less digits than its factorization.

13105403311452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092116942628 (or 1092116942626 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 13105403311452 its reverse (25411330450131), we get a palindrome (38516733761583).

The spelling of 13105403311452 in words is "thirteen trillion, one hundred five billion, four hundred three million, three hundred eleven thousand, four hundred fifty-two".