13105042002515 has 16 divisors (see below), whose sum is σ = 15749957935488. Its totient is φ = 10468096321536.

The previous prime is 13105042002473. The next prime is 13105042002517. The reversal of 13105042002515 is 51520024050131.

It is a cyclic number.

It is not a de Polignac number, because 13105042002515 - 2¹⁶ = 13105041936979 is a prime.

It is a super-2 number, since 2×13105042002515² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105042002517) 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, 144437654 + ... + 144528356.

It is an arithmetic number, because the mean of its divisors is an integer number (984372370968).

Almost surely, 2^{13105042002515} is an apocalyptic number.

13105042002515 is a deficient number, since it is larger than the sum of its proper divisors (2644915932973).

13105042002515 is an equidigital number, since it uses as much as digits as its factorization.

13105042002515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134318.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 13105042002515 its reverse (51520024050131), we get a palindrome (64625066052646).

The spelling of 13105042002515 in words is "thirteen trillion, one hundred five billion, forty-two million, two thousand, five hundred fifteen".