11071611389 has 2 divisors, whose sum is σ = 11071611390. Its totient is φ = 11071611388.

The previous prime is 11071611373. The next prime is 11071611413. The reversal of 11071611389 is 98311617011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7291452100 + 3780159289 = 85390^2 + 61483^2 .

It is a cyclic number.

It is not a de Polignac number, because 11071611389 - 2⁴ = 11071611373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11071611349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5535805694 + 5535805695.

It is an arithmetic number, because the mean of its divisors is an integer number (5535805695).

Almost surely, 2^11071611389 is an apocalyptic number.

It is an amenable number.

11071611389 is a deficient number, since it is larger than the sum of its proper divisors (1).

11071611389 is an equidigital number, since it uses as much as digits as its factorization.

11071611389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 11071611389 in words is "eleven billion, seventy-one million, six hundred eleven thousand, three hundred eighty-nine".