11180655867 has 8 divisors (see below), whose sum is σ = 14908202496. Its totient is φ = 7453439912.

The previous prime is 11180655823. The next prime is 11180655881. The reversal of 11180655867 is 76855608111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11180655867 - 2⁶ = 11180655803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11180655067) 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 7 ways as a sum of consecutive naturals, for example, 11578 + ... + 149984.

It is an arithmetic number, because the mean of its divisors is an integer number (1863525312).

Almost surely, 2^11180655867 is an apocalyptic number.

11180655867 is a deficient number, since it is larger than the sum of its proper divisors (3727546629).

11180655867 is a wasteful number, since it uses less digits than its factorization.

11180655867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165337.

The product of its (nonzero) digits is 403200, while the sum is 48.

The spelling of 11180655867 in words is "eleven billion, one hundred eighty million, six hundred fifty-five thousand, eight hundred sixty-seven".