1121010785344 has 56 divisors (see below), whose sum is σ = 2264415770880. Its totient is φ = 550513603584.

The previous prime is 1121010785327. The next prime is 1121010785357. The reversal of 1121010785344 is 4435870101211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614637 + ... + 1618579.

Almost surely, 2^{1121010785344} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121010785344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132207885440).

1121010785344 is an abundant number, since it is smaller than the sum of its proper divisors (1143404985536).

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

1121010785344 is a wasteful number, since it uses less digits than its factorization.

1121010785344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004267 (or 1004257 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 1121010785344 its reverse (4435870101211), we get a palindrome (5556880886555).

The spelling of 1121010785344 in words is "one trillion, one hundred twenty-one billion, ten million, seven hundred eighty-five thousand, three hundred forty-four".