1111138853 has 16 divisors (see below), whose sum is σ = 1301546880. Its totient is φ = 937305600.

The previous prime is 1111138841. The next prime is 1111138933. The reversal of 1111138853 is 3588311111.

It is a happy number.

It is not a de Polignac number, because 1111138853 - 2⁴ = 1111138837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111138813) 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, 28568 + ... + 55121.

It is an arithmetic number, because the mean of its divisors is an integer number (81346680).

Almost surely, 2^1111138853 is an apocalyptic number.

It is an amenable number.

1111138853 is a deficient number, since it is larger than the sum of its proper divisors (190408027).

1111138853 is a wasteful number, since it uses less digits than its factorization.

1111138853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83788.

The product of its digits is 2880, while the sum is 32.

The square root of 1111138853 is about 33333.7494590693. The cubic root of 1111138853 is about 1035.7527886294.

Adding to 1111138853 its reverse (3588311111), we get a palindrome (4699449964).

The spelling of 1111138853 in words is "one billion, one hundred eleven million, one hundred thirty-eight thousand, eight hundred fifty-three".