13201620104515 has 16 divisors (see below), whose sum is σ = 16685217070848. Its totient is φ = 10007697051616.

The previous prime is 13201620104509. The next prime is 13201620104521. The reversal of 13201620104515 is 51540102610231.

It is an interprime number because it is at equal distance from previous prime (13201620104509) and next prime (13201620104521).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13201620104515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536420857 + ... + 536445466.

It is an arithmetic number, because the mean of its divisors is an integer number (1042826066928).

Almost surely, 2^{13201620104515} is an apocalyptic number.

13201620104515 is a deficient number, since it is larger than the sum of its proper divisors (3483596966333).

13201620104515 is a wasteful number, since it uses less digits than its factorization.

13201620104515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072866458.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 13201620104515 its reverse (51540102610231), we get a palindrome (64741722714746).

The spelling of 13201620104515 in words is "thirteen trillion, two hundred one billion, six hundred twenty million, one hundred four thousand, five hundred fifteen".