11320655517 has 12 divisors (see below), whose sum is σ = 16699974720. Its totient is φ = 7386526728.

The previous prime is 11320655473. The next prime is 11320655539. The reversal of 11320655517 is 71555602311.

It is a happy number.

11320655517 is a `hidden beast` number, since 1 + 132 + 0 + 6 + 5 + 5 + 517 = 666.

It is not a de Polignac number, because 11320655517 - 2⁷ = 11320655389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320655597) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13380967 + ... + 13381812.

It is an arithmetic number, because the mean of its divisors is an integer number (1391664560).

Almost surely, 2^11320655517 is an apocalyptic number.

It is an amenable number.

11320655517 is a deficient number, since it is larger than the sum of its proper divisors (5379319203).

11320655517 is a wasteful number, since it uses less digits than its factorization.

11320655517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26762832 (or 26762829 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 11320655517 in words is "eleven billion, three hundred twenty million, six hundred fifty-five thousand, five hundred seventeen".