11162660553 has 18 divisors (see below), whose sum is σ = 17722903562. Its totient is φ = 6765248160.

The previous prime is 11162660543. The next prime is 11162660557. The reversal of 11162660553 is 35506626111.

11162660553 is a `hidden beast` number, since 11 + 16 + 26 + 60 + 553 = 666.

11162660553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11074826169 + 87834384 = 105237^2 + 9372^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11162660553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11162660557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5124100 + ... + 5126277.

Almost surely, 2^11162660553 is an apocalyptic number.

It is an amenable number.

11162660553 is a deficient number, since it is larger than the sum of its proper divisors (6560243009).

11162660553 is a wasteful number, since it uses less digits than its factorization.

11162660553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250405 (or 10250391 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 11162660553 in words is "eleven billion, one hundred sixty-two million, six hundred sixty thousand, five hundred fifty-three".