11237149866 has 32 divisors (see below), whose sum is σ = 23036428800. Its totient is φ = 3652139520.

The previous prime is 11237149849. The next prime is 11237149873. The reversal of 11237149866 is 66894173211.

11237149866 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11237149866³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

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, 419730 + ... + 445698.

It is an arithmetic number, because the mean of its divisors is an integer number (719888400).

Almost surely, 2^11237149866 is an apocalyptic number.

11237149866 is an abundant number, since it is smaller than the sum of its proper divisors (11799278934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11237149866 is a wasteful number, since it uses less digits than its factorization.

11237149866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27774.

The product of its digits is 435456, while the sum is 48.

The spelling of 11237149866 in words is "eleven billion, two hundred thirty-seven million, one hundred forty-nine thousand, eight hundred sixty-six".