11237149865 has 24 divisors (see below), whose sum is σ = 13887808512. Its totient is φ = 8728080480.

The previous prime is 11237149849. The next prime is 11237149873. The reversal of 11237149865 is 56894173211.

11237149865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11237149865 - 2⁴ = 11237149849 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 1398710 + ... + 1406720.

It is an arithmetic number, because the mean of its divisors is an integer number (578658688).

Almost surely, 2^11237149865 is an apocalyptic number.

It is an amenable number.

11237149865 is a deficient number, since it is larger than the sum of its proper divisors (2650658647).

11237149865 is an equidigital number, since it uses as much as digits as its factorization.

11237149865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8237 (or 8190 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The spelling of 11237149865 in words is "eleven billion, two hundred thirty-seven million, one hundred forty-nine thousand, eight hundred sixty-five".