11173076989 has 2 divisors, whose sum is σ = 11173076990. Its totient is φ = 11173076988.

The previous prime is 11173076987. The next prime is 11173077029. The reversal of 11173076989 is 98967037111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11001912100 + 171164889 = 104890^2 + 13083^2 .

It is a cyclic number.

It is not a de Polignac number, because 11173076989 - 2¹ = 11173076987 is a prime.

It is a super-2 number, since 2×11173076989² (a number of 21 digits) contains 22 as substring.

Together with 11173076987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11173076987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5586538494 + 5586538495.

It is an arithmetic number, because the mean of its divisors is an integer number (5586538495).

Almost surely, 2^11173076989 is an apocalyptic number.

It is an amenable number.

11173076989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11173076989 is an equidigital number, since it uses as much as digits as its factorization.

11173076989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 52.

The spelling of 11173076989 in words is "eleven billion, one hundred seventy-three million, seventy-six thousand, nine hundred eighty-nine".