1138764211187 has 2 divisors, whose sum is σ = 1138764211188. Its totient is φ = 1138764211186.

The previous prime is 1138764211163. The next prime is 1138764211259. The reversal of 1138764211187 is 7811124678311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138764211187 - 2¹⁴ = 1138764194803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1138764211147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569382105593 + 569382105594.

It is an arithmetic number, because the mean of its divisors is an integer number (569382105594).

Almost surely, 2^{1138764211187} is an apocalyptic number.

1138764211187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138764211187 is an equidigital number, since it uses as much as digits as its factorization.

1138764211187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 50.

Adding to 1138764211187 its reverse (7811124678311), we get a palindrome (8949888889498).

The spelling of 1138764211187 in words is "one trillion, one hundred thirty-eight billion, seven hundred sixty-four million, two hundred eleven thousand, one hundred eighty-seven".