11138449053 has 16 divisors (see below), whose sum is σ = 14964272960. Its totient is φ = 7369173504.

The previous prime is 11138449033. The next prime is 11138449067. The reversal of 11138449053 is 35094483111.

It is not a de Polignac number, because 11138449053 - 2¹⁰ = 11138448029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138449033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1502925 + ... + 1510317.

It is an arithmetic number, because the mean of its divisors is an integer number (935267060).

Almost surely, 2^11138449053 is an apocalyptic number.

It is an amenable number.

11138449053 is a deficient number, since it is larger than the sum of its proper divisors (3825823907).

11138449053 is a wasteful number, since it uses less digits than its factorization.

11138449053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11148.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 11138449053 in words is "eleven billion, one hundred thirty-eight million, four hundred forty-nine thousand, fifty-three".