11555242653 has 16 divisors (see below), whose sum is σ = 16095614976. Its totient is φ = 7365171120.

The previous prime is 11555242651. The next prime is 11555242679. The reversal of 11555242653 is 35624255511.

11555242653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11555242653 - 2¹ = 11555242651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555242651) 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 15 ways as a sum of consecutive naturals, for example, 740775 + ... + 756212.

It is an arithmetic number, because the mean of its divisors is an integer number (1005975936).

Almost surely, 2^11555242653 is an apocalyptic number.

It is an amenable number.

11555242653 is a deficient number, since it is larger than the sum of its proper divisors (4540372323).

11555242653 is a wasteful number, since it uses less digits than its factorization.

11555242653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497104.

The product of its digits is 180000, while the sum is 39.

The spelling of 11555242653 in words is "eleven billion, five hundred fifty-five million, two hundred forty-two thousand, six hundred fifty-three".