13105443155406 has 64 divisors (see below), whose sum is σ = 32902845235200. Its totient is φ = 3393105905376.

The previous prime is 13105443155353. The next prime is 13105443155411. The reversal of 13105443155406 is 60455134450131.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357000366 + ... + 357037073.

It is an arithmetic number, because the mean of its divisors is an integer number (514106956800).

Almost surely, 2^{13105443155406} is an apocalyptic number.

13105443155406 is an abundant number, since it is smaller than the sum of its proper divisors (19797402079794).

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

13105443155406 is a wasteful number, since it uses less digits than its factorization.

13105443155406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714037493.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 13105443155406 in words is "thirteen trillion, one hundred five billion, four hundred forty-three million, one hundred fifty-five thousand, four hundred six".