11147023889 has 2 divisors, whose sum is σ = 11147023890. Its totient is φ = 11147023888.

The previous prime is 11147023819. The next prime is 11147023939. The reversal of 11147023889 is 98832074111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10617241600 + 529782289 = 103040^2 + 23017^2 .

It is an emirp because it is prime and its reverse (98832074111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11147023889 is a prime.

It is a super-2 number, since 2×11147023889² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11147023819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5573511944 + 5573511945.

It is an arithmetic number, because the mean of its divisors is an integer number (5573511945).

Almost surely, 2^11147023889 is an apocalyptic number.

It is an amenable number.

11147023889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11147023889 is an equidigital number, since it uses as much as digits as its factorization.

11147023889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 11147023889 in words is "eleven billion, one hundred forty-seven million, twenty-three thousand, eight hundred eighty-nine".