11061282561 has 16 divisors (see below), whose sum is σ = 17131605888. Its totient is φ = 6217113600.

The previous prime is 11061282511. The next prime is 11061282569. The reversal of 11061282561 is 16528216011.

It is not a de Polignac number, because 11061282561 - 2⁹ = 11061282049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11061282569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4316160 + ... + 4318721.

It is an arithmetic number, because the mean of its divisors is an integer number (1070725368).

Almost surely, 2^11061282561 is an apocalyptic number.

It is an amenable number.

11061282561 is a deficient number, since it is larger than the sum of its proper divisors (6070323327).

11061282561 is an equidigital number, since it uses as much as digits as its factorization.

11061282561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634952.

The product of its (nonzero) digits is 5760, while the sum is 33.

Adding to 11061282561 its reverse (16528216011), we get a palindrome (27589498572).

The spelling of 11061282561 in words is "eleven billion, sixty-one million, two hundred eighty-two thousand, five hundred sixty-one".