1121134043500 has 24 divisors (see below), whose sum is σ = 2448556752096. Its totient is φ = 448453617200.

The previous prime is 1121134043473. The next prime is 1121134043569. The reversal of 1121134043500 is 53404311211.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121133544 + ... + 1121134543.

It is an arithmetic number, because the mean of its divisors is an integer number (102023198004).

Almost surely, 2^{1121134043500} is an apocalyptic number.

1121134043500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121134043500 is an abundant number, since it is smaller than the sum of its proper divisors (1327422708596).

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

1121134043500 is a wasteful number, since it uses less digits than its factorization.

1121134043500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242268106 (or 2242268094 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1121134043500 its reverse (53404311211), we get a palindrome (1174538354711).

The spelling of 1121134043500 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-four million, forty-three thousand, five hundred".