11511046189 has 2 divisors, whose sum is σ = 11511046190. Its totient is φ = 11511046188.

The previous prime is 11511046123. The next prime is 11511046223. The reversal of 11511046189 is 98164011511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9363465225 + 2147580964 = 96765^2 + 46342^2 .

It is an emirp because it is prime and its reverse (98164011511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11511046189 - 2¹¹ = 11511044141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11511046109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5755523094 + 5755523095.

It is an arithmetic number, because the mean of its divisors is an integer number (5755523095).

Almost surely, 2^11511046189 is an apocalyptic number.

It is an amenable number.

11511046189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11511046189 is an equidigital number, since it uses as much as digits as its factorization.

11511046189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 37.

The spelling of 11511046189 in words is "eleven billion, five hundred eleven million, forty-six thousand, one hundred eighty-nine".