11766459556 has 12 divisors (see below), whose sum is σ = 20593950300. Its totient is φ = 5882473760.

The previous prime is 11766459493. The next prime is 11766459557. The reversal of 11766459556 is 65595466711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3154619556 + 8611840000 = 56166^2 + 92800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11766459497 and 11766459506.

It is not an unprimeable number, because it can be changed into a prime (11766459557) 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 3 ways as a sum of consecutive naturals, for example, 153235 + ... + 216826.

It is an arithmetic number, because the mean of its divisors is an integer number (1716162525).

Almost surely, 2^11766459556 is an apocalyptic number.

It is an amenable number.

11766459556 is a deficient number, since it is larger than the sum of its proper divisors (8827490744).

11766459556 is a wasteful number, since it uses less digits than its factorization.

11766459556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378014 (or 378012 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 55.

The spelling of 11766459556 in words is "eleven billion, seven hundred sixty-six million, four hundred fifty-nine thousand, five hundred fifty-six".