11144726406 has 48 divisors (see below), whose sum is σ = 27487399680. Its totient is φ = 3230354160.

The previous prime is 11144726389. The next prime is 11144726407. The reversal of 11144726406 is 60462744111.

It is a happy number.

11144726406 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 4 + 7 + 2 + 640 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144726407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1219066 + ... + 1228173.

It is an arithmetic number, because the mean of its divisors is an integer number (572654160).

Almost surely, 2^11144726406 is an apocalyptic number.

11144726406 is an abundant number, since it is smaller than the sum of its proper divisors (16342673274).

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

11144726406 is a wasteful number, since it uses less digits than its factorization.

11144726406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2447281 (or 2447278 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 11144726406 in words is "eleven billion, one hundred forty-four million, seven hundred twenty-six thousand, four hundred six".