11237512004809 has 2 divisors, whose sum is σ = 11237512004810. Its totient is φ = 11237512004808.

The previous prime is 11237512004767. The next prime is 11237512004813. The reversal of 11237512004809 is 90840021573211.

11237512004809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10600982487225 + 636529517584 = 3255915^2 + 797828^2 .

It is a cyclic number.

It is not a de Polignac number, because 11237512004809 - 2⁷ = 11237512004681 is a prime.

It is not a weakly prime, because it can be changed into another prime (11237512001809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5618756002404 + 5618756002405.

It is an arithmetic number, because the mean of its divisors is an integer number (5618756002405).

Almost surely, 2^{11237512004809} is an apocalyptic number.

It is an amenable number.

11237512004809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11237512004809 is an equidigital number, since it uses as much as digits as its factorization.

11237512004809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 11237512004809 in words is "eleven trillion, two hundred thirty-seven billion, five hundred twelve million, four thousand, eight hundred nine".