11261150561516 has 24 divisors (see below), whose sum is σ = 20389901908320. Its totient is φ = 5435527849472.

The previous prime is 11261150561491. The next prime is 11261150561533. The reversal of 11261150561516 is 61516505116211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7231256 + ... + 8649471.

It is an arithmetic number, because the mean of its divisors is an integer number (849579246180).

Almost surely, 2^{11261150561516} is an apocalyptic number.

It is an amenable number.

11261150561516 is a deficient number, since it is larger than the sum of its proper divisors (9128751346804).

11261150561516 is a wasteful number, since it uses less digits than its factorization.

11261150561516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15886873 (or 15886871 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 41.

Adding to 11261150561516 its reverse (61516505116211), we get a palindrome (72777655677727).

The spelling of 11261150561516 in words is "eleven trillion, two hundred sixty-one billion, one hundred fifty million, five hundred sixty-one thousand, five hundred sixteen".