13376233127561 has 4 divisors (see below), whose sum is σ = 13376440958724. Its totient is φ = 13376025296400.

The previous prime is 13376233127531. The next prime is 13376233127581. The reversal of 13376233127561 is 16572133267331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11681664444025 + 1694568683536 = 3417845^2 + 1301756^2 .

It is a cyclic number.

It is not a de Polignac number, because 13376233127561 - 2⁶ = 13376233127497 is a prime.

It is a super-2 number, since 2×13376233127561² (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 (13376233127531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103819010 + ... + 103947771.

It is an arithmetic number, because the mean of its divisors is an integer number (3344110239681).

Almost surely, 2^{13376233127561} is an apocalyptic number.

It is an amenable number.

13376233127561 is a deficient number, since it is larger than the sum of its proper divisors (207831163).

13376233127561 is an equidigital number, since it uses as much as digits as its factorization.

13376233127561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207831162.

The product of its digits is 2857680, while the sum is 50.

The spelling of 13376233127561 in words is "thirteen trillion, three hundred seventy-six billion, two hundred thirty-three million, one hundred twenty-seven thousand, five hundred sixty-one".