1113445925789 has 4 divisors (see below), whose sum is σ = 1113621471456. Its totient is φ = 1113270380124.

The previous prime is 1113445925783. The next prime is 1113445925827. The reversal of 1113445925789 is 9875295443111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113445925789 is a prime.

It is a super-2 number, since 2×1113445925789² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113445925783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87763319 + ... + 87776004.

It is an arithmetic number, because the mean of its divisors is an integer number (278405367864).

Almost surely, 2^{1113445925789} is an apocalyptic number.

It is an amenable number.

1113445925789 is a deficient number, since it is larger than the sum of its proper divisors (175545667).

1113445925789 is an equidigital number, since it uses as much as digits as its factorization.

1113445925789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175545666.

The product of its digits is 10886400, while the sum is 59.

The spelling of 1113445925789 in words is "one trillion, one hundred thirteen billion, four hundred forty-five million, nine hundred twenty-five thousand, seven hundred eighty-nine".