13276848475081 has 9 divisors (see below), whose sum is σ = 13304192559021. Its totient is φ = 13249560498732.

The previous prime is 13276848475063. The next prime is 13276848475097. The reversal of 13276848475081 is 18057484867231.

The square root of 13276848475081 is 3643741.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-13276848475081 is a prime.

It is a super-2 number, since 2×13276848475081² (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 (13276848475021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1905673060 + ... + 1905680026.

It is an arithmetic number, because the mean of its divisors is an integer number (1478243617669).

Almost surely, 2^{13276848475081} is an apocalyptic number.

13276848475081 is the 3643741-st square number.

13276848475081 is the 1821871-st centered octagonal number.

It is an amenable number.

13276848475081 is a deficient number, since it is larger than the sum of its proper divisors (27344083940).

13276848475081 is an frugal number, since it uses more digits than its factorization.

13276848475081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980 (or 7490 counting only the distinct ones).

The product of its (nonzero) digits is 72253440, while the sum is 64.

Multiplying 13276848475081 by its sum of digits (64), we get a square (849718302405184 = 29149928²).

The spelling of 13276848475081 in words is "thirteen trillion, two hundred seventy-six billion, eight hundred forty-eight million, four hundred seventy-five thousand, eighty-one".