1121536111 has 8 divisors (see below), whose sum is σ = 1169349120. Its totient is φ = 1074332448.

The previous prime is 1121536063. The next prime is 1121536139. The reversal of 1121536111 is 1116351211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121536111 - 2⁷ = 1121535983 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 (1121536151) 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, 148576 + ... + 155941.

It is an arithmetic number, because the mean of its divisors is an integer number (146168640).

Almost surely, 2^1121536111 is an apocalyptic number.

1121536111 is a deficient number, since it is larger than the sum of its proper divisors (47813009).

1121536111 is a wasteful number, since it uses less digits than its factorization.

1121536111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304673.

The product of its digits is 180, while the sum is 22.

The square root of 1121536111 is about 33489.3432452773. The cubic root of 1121536111 is about 1038.9733801045.

Adding to 1121536111 its reverse (1116351211), we get a palindrome (2237887322).

The spelling of 1121536111 in words is "one billion, one hundred twenty-one million, five hundred thirty-six thousand, one hundred eleven".