1122345556789 has 8 divisors (see below), whose sum is σ = 1152694961568. Its totient is φ = 1091996980560.

The previous prime is 1122345556781. The next prime is 1122345556799. The reversal of 1122345556789 is 9876555432211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122345556789 - 2³ = 1122345556781 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122345556781) 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, 3356394 + ... + 3675604.

It is an arithmetic number, because the mean of its divisors is an integer number (144086870196).

Almost surely, 2^{1122345556789} is an apocalyptic number.

It is an amenable number.

1122345556789 is a deficient number, since it is larger than the sum of its proper divisors (30349404779).

1122345556789 is an equidigital number, since it uses as much as digits as its factorization.

1122345556789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414275.

The product of its digits is 18144000, while the sum is 58.

The spelling of 1122345556789 in words is "one trillion, one hundred twenty-two billion, three hundred forty-five million, five hundred fifty-six thousand, seven hundred eighty-nine".