11106561589 has 2 divisors, whose sum is σ = 11106561590. Its totient is φ = 11106561588.

The previous prime is 11106561559. The next prime is 11106561593. The reversal of 11106561589 is 98516560111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8921747025 + 2184814564 = 94455^2 + 46742^2 .

It is an emirp because it is prime and its reverse (98516560111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11106561589 - 2⁹ = 11106561077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11106561509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553280794 + 5553280795.

It is an arithmetic number, because the mean of its divisors is an integer number (5553280795).

Almost surely, 2^11106561589 is an apocalyptic number.

It is an amenable number.

11106561589 is a deficient number, since it is larger than the sum of its proper divisors (1).

11106561589 is an equidigital number, since it uses as much as digits as its factorization.

11106561589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 43.

The spelling of 11106561589 in words is "eleven billion, one hundred six million, five hundred sixty-one thousand, five hundred eighty-nine".