11006650503561 has 16 divisors (see below), whose sum is σ = 14931077776448. Its totient is φ = 7210236427200.

The previous prime is 11006650503551. The next prime is 11006650503587. The reversal of 11006650503561 is 16530505660011.

It is not a de Polignac number, because 11006650503561 - 2¹¹ = 11006650501513 is a prime.

It is a super-2 number, since 2×11006650503561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11006650503551) 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, 29980855 + ... + 30345756.

It is an arithmetic number, because the mean of its divisors is an integer number (933192361028).

Almost surely, 2^{11006650503561} is an apocalyptic number.

It is an amenable number.

11006650503561 is a deficient number, since it is larger than the sum of its proper divisors (3924427272887).

11006650503561 is an equidigital number, since it uses as much as digits as its factorization.

11006650503561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60327672.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 11006650503561 in words is "eleven trillion, six billion, six hundred fifty million, five hundred three thousand, five hundred sixty-one".