13105405521350 has 12 divisors (see below), whose sum is σ = 24376054269804. Its totient is φ = 5242162208520.

The previous prime is 13105405521287. The next prime is 13105405521401. The reversal of 13105405521350 is 5312550450131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13105405521350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131054055164 + ... + 131054055263.

It is an arithmetic number, because the mean of its divisors is an integer number (2031337855817).

Almost surely, 2^{13105405521350} is an apocalyptic number.

13105405521350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105405521350 is a deficient number, since it is larger than the sum of its proper divisors (11270648748454).

13105405521350 is a wasteful number, since it uses less digits than its factorization.

13105405521350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262108110439 (or 262108110434 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 13105405521350 its reverse (5312550450131), we get a palindrome (18417955971481).

The spelling of 13105405521350 in words is "thirteen trillion, one hundred five billion, four hundred five million, five hundred twenty-one thousand, three hundred fifty".