11839211425817 has 2 divisors, whose sum is σ = 11839211425818. Its totient is φ = 11839211425816.

The previous prime is 11839211425801. The next prime is 11839211425829. The reversal of 11839211425817 is 71852411293811.

11839211425817 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., 6079696215616 + 5759515210201 = 2465704^2 + 2399899^2 .

It is a cyclic number.

It is not a de Polignac number, because 11839211425817 - 2⁴ = 11839211425801 is a prime.

It is not a weakly prime, because it can be changed into another prime (11839211425837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919605712908 + 5919605712909.

It is an arithmetic number, because the mean of its divisors is an integer number (5919605712909).

Almost surely, 2^{11839211425817} is an apocalyptic number.

It is an amenable number.

11839211425817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11839211425817 is an equidigital number, since it uses as much as digits as its factorization.

11839211425817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 53.

The spelling of 11839211425817 in words is "eleven trillion, eight hundred thirty-nine billion, two hundred eleven million, four hundred twenty-five thousand, eight hundred seventeen".