13105405521402 has 32 divisors (see below), whose sum is σ = 26451685814400. Its totient is φ = 4328323950528.

The previous prime is 13105405521401. The next prime is 13105405521421. The reversal of 13105405521402 is 20412550450131.

It is not an unprimeable number, because it can be changed into a prime (13105405521401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60182923 + ... + 60400289.

It is an arithmetic number, because the mean of its divisors is an integer number (826615181700).

Almost surely, 2^{13105405521402} is an apocalyptic number.

13105405521402 is an abundant number, since it is smaller than the sum of its proper divisors (13346280292998).

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

13105405521402 is a wasteful number, since it uses less digits than its factorization.

13105405521402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309670.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 13105405521402 its reverse (20412550450131), we get a palindrome (33517955971533).

The spelling of 13105405521402 in words is "thirteen trillion, one hundred five billion, four hundred five million, five hundred twenty-one thousand, four hundred two".