11061567215 has 32 divisors (see below), whose sum is σ = 13943664000. Its totient is φ = 8424049920.

The previous prime is 11061567197. The next prime is 11061567221. The reversal of 11061567215 is 51276516011.

It is not a de Polignac number, because 11061567215 - 2⁸ = 11061566959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21231155 + ... + 21231675.

It is an arithmetic number, because the mean of its divisors is an integer number (435739500).

Almost surely, 2^11061567215 is an apocalyptic number.

11061567215 is a deficient number, since it is larger than the sum of its proper divisors (2882096785).

11061567215 is an frugal number, since it uses more digits than its factorization.

11061567215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 11061567215 in words is "eleven billion, sixty-one million, five hundred sixty-seven thousand, two hundred fifteen".