11561028607 has 2 divisors, whose sum is σ = 11561028608. Its totient is φ = 11561028606.

The previous prime is 11561028571. The next prime is 11561028613. The reversal of 11561028607 is 70682016511.

It is a strong prime.

It is an emirp because it is prime and its reverse (70682016511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11561028607 - 2¹¹ = 11561026559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11561028707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780514303 + 5780514304.

It is an arithmetic number, because the mean of its divisors is an integer number (5780514304).

Almost surely, 2^11561028607 is an apocalyptic number.

11561028607 is a deficient number, since it is larger than the sum of its proper divisors (1).

11561028607 is an equidigital number, since it uses as much as digits as its factorization.

11561028607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 11561028607 in words is "eleven billion, five hundred sixty-one million, twenty-eight thousand, six hundred seven".