11756873555 has 12 divisors (see below), whose sum is σ = 16411636080. Its totient is φ = 8061855984.

The previous prime is 11756873521. The next prime is 11756873563. The reversal of 11756873555 is 55537865711.

It is not a de Polignac number, because 11756873555 - 2¹⁰ = 11756872531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11756873497 and 11756873506.

It is an unprimeable number.

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, 23993375 + ... + 23993864.

It is an arithmetic number, because the mean of its divisors is an integer number (1367636340).

Almost surely, 2^11756873555 is an apocalyptic number.

11756873555 is a deficient number, since it is larger than the sum of its proper divisors (4654762525).

11756873555 is an equidigital number, since it uses as much as digits as its factorization.

11756873555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47987258 (or 47987251 counting only the distinct ones).

The product of its digits is 4410000, while the sum is 53.

The spelling of 11756873555 in words is "eleven billion, seven hundred fifty-six million, eight hundred seventy-three thousand, five hundred fifty-five".