1121153356 has 12 divisors (see below), whose sum is σ = 1963456992. Its totient is φ = 560165648.

The previous prime is 1121153339. The next prime is 1121153357. The reversal of 1121153356 is 6533511211.

It is not an unprimeable number, because it can be changed into a prime (1121153357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96580 + ... + 107563.

It is an arithmetic number, because the mean of its divisors is an integer number (163621416).

Almost surely, 2^1121153356 is an apocalyptic number.

It is an amenable number.

1121153356 is a deficient number, since it is larger than the sum of its proper divisors (842303636).

1121153356 is a wasteful number, since it uses less digits than its factorization.

1121153356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205520 (or 205518 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 1121153356 is about 33483.6281785591. The cubic root of 1121153356 is about 1038.8551739229.

Adding to 1121153356 its reverse (6533511211), we get a palindrome (7654664567).

The spelling of 1121153356 in words is "one billion, one hundred twenty-one million, one hundred fifty-three thousand, three hundred fifty-six".