11900000617 has 2 divisors, whose sum is σ = 11900000618. Its totient is φ = 11900000616.

The previous prime is 11900000603. The next prime is 11900000633. The reversal of 11900000617 is 71600000911.

11900000617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9033361936 + 2866638681 = 95044^2 + 53541^2 .

It is a cyclic number.

It is not a de Polignac number, because 11900000617 - 2²³ = 11891612009 is a prime.

It is a super-2 number, since 2×11900000617² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11900000591 and 11900000600.

It is not a weakly prime, because it can be changed into another prime (11900000677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5950000308 + 5950000309.

It is an arithmetic number, because the mean of its divisors is an integer number (5950000309).

Almost surely, 2^11900000617 is an apocalyptic number.

It is an amenable number.

11900000617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11900000617 is an equidigital number, since it uses as much as digits as its factorization.

11900000617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The spelling of 11900000617 in words is "eleven billion, nine hundred million, six hundred seventeen", and thus it is an aban number.