11838559417 has 2 divisors, whose sum is σ = 11838559418. Its totient is φ = 11838559416.

The previous prime is 11838559363. The next prime is 11838559427. The reversal of 11838559417 is 71495583811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11838310416 + 249001 = 108804^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 11838559417 - 2⁷ = 11838559289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11838559427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919279708 + 5919279709.

It is an arithmetic number, because the mean of its divisors is an integer number (5919279709).

Almost surely, 2^11838559417 is an apocalyptic number.

It is an amenable number.

11838559417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11838559417 is an equidigital number, since it uses as much as digits as its factorization.

11838559417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 52.

The spelling of 11838559417 in words is "eleven billion, eight hundred thirty-eight million, five hundred fifty-nine thousand, four hundred seventeen".