1131223011104 has 48 divisors (see below), whose sum is σ = 2344867418880. Its totient is φ = 535715262720.

The previous prime is 1131223011103. The next prime is 1131223011137. The reversal of 1131223011104 is 4011103221311.

It is not an unprimeable number, because it can be changed into a prime (1131223011103) 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, 2367089 + ... + 2804559.

It is an arithmetic number, because the mean of its divisors is an integer number (48851404560).

Almost surely, 2^{1131223011104} is an apocalyptic number.

It is an amenable number.

1131223011104 is an abundant number, since it is smaller than the sum of its proper divisors (1213644407776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131223011104 is a wasteful number, since it uses less digits than its factorization.

1131223011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441753 (or 441745 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1131223011104 its reverse (4011103221311), we get a palindrome (5142326232415).

The spelling of 1131223011104 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-three million, eleven thousand, one hundred four".