11106561559 has 2 divisors, whose sum is σ = 11106561560. Its totient is φ = 11106561558.

The previous prime is 11106561553. The next prime is 11106561589. The reversal of 11106561559 is 95516560111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11106561559 - 2³ = 11106561551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11106561551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553280779 + 5553280780.

It is an arithmetic number, because the mean of its divisors is an integer number (5553280780).

Almost surely, 2^11106561559 is an apocalyptic number.

11106561559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11106561559 is an equidigital number, since it uses as much as digits as its factorization.

11106561559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 40.

The spelling of 11106561559 in words is "eleven billion, one hundred six million, five hundred sixty-one thousand, five hundred fifty-nine".