13105443045015 has 64 divisors (see below), whose sum is σ = 23655889497600. Its totient is φ = 6882681860352.

The previous prime is 13105443044951. The next prime is 13105443045047. The reversal of 13105443045015 is 51054034450131.

13105443045015 is a `hidden beast` number, since 1 + 3 + 105 + 4 + 43 + 0 + 4 + 501 + 5 = 666.

It is not a de Polignac number, because 13105443045015 - 2⁶ = 13105443044951 is a prime.

It is a super-2 number, since 2×13105443045015² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5026072 + ... + 7174418.

It is an arithmetic number, because the mean of its divisors is an integer number (369623273400).

Almost surely, 2^{13105443045015} is an apocalyptic number.

13105443045015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13105443045015 is a deficient number, since it is larger than the sum of its proper divisors (10550446452585).

13105443045015 is a wasteful number, since it uses less digits than its factorization.

13105443045015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149053 (or 2149047 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 13105443045015 its reverse (51054034450131), we get a palindrome (64159477495146).

The spelling of 13105443045015 in words is "thirteen trillion, one hundred five billion, four hundred forty-three million, forty-five thousand, fifteen".