13124415111109 has 2 divisors, whose sum is σ = 13124415111110. Its totient is φ = 13124415111108.

The previous prime is 13124415111079. The next prime is 13124415111131. The reversal of 13124415111109 is 90111151442131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12385451374209 + 738963736900 = 3519297^2 + 859630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13124415111109 - 2¹¹ = 13124415109061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124415111179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6562207555554 + 6562207555555.

It is an arithmetic number, because the mean of its divisors is an integer number (6562207555555).

Almost surely, 2^{13124415111109} is an apocalyptic number.

It is an amenable number.

13124415111109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124415111109 is an equidigital number, since it uses as much as digits as its factorization.

13124415111109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 34.

The spelling of 13124415111109 in words is "thirteen trillion, one hundred twenty-four billion, four hundred fifteen million, one hundred eleven thousand, one hundred nine".