11144156438 has 16 divisors (see below), whose sum is σ = 17701518384. Its totient is φ = 5243723520.

The previous prime is 11144156437. The next prime is 11144156461. The reversal of 11144156438 is 83465144111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144156437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522218 + ... + 543138.

It is an arithmetic number, because the mean of its divisors is an integer number (1106344899).

Almost surely, 2^11144156438 is an apocalyptic number.

11144156438 is a deficient number, since it is larger than the sum of its proper divisors (6557361946).

11144156438 is a wasteful number, since it uses less digits than its factorization.

11144156438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36607.

The product of its digits is 46080, while the sum is 38.

The spelling of 11144156438 in words is "eleven billion, one hundred forty-four million, one hundred fifty-six thousand, four hundred thirty-eight".