13126132545401 has 2 divisors, whose sum is σ = 13126132545402. Its totient is φ = 13126132545400.

The previous prime is 13126132545389. The next prime is 13126132545451. The reversal of 13126132545401 is 10454523162131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13089374069776 + 36758475625 = 3617924^2 + 191725^2 .

It is a cyclic number.

It is not a de Polignac number, because 13126132545401 - 2²² = 13126128351097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13126132545451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563066272700 + 6563066272701.

It is an arithmetic number, because the mean of its divisors is an integer number (6563066272701).

Almost surely, 2^{13126132545401} is an apocalyptic number.

It is an amenable number.

13126132545401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126132545401 is an equidigital number, since it uses as much as digits as its factorization.

13126132545401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 13126132545401 in words is "thirteen trillion, one hundred twenty-six billion, one hundred thirty-two million, five hundred forty-five thousand, four hundred one".