1123390111789 has 8 divisors (see below), whose sum is σ = 1225867577760. Its totient is φ = 1020971161200.

The previous prime is 1123390111757. The next prime is 1123390111807. The reversal of 1123390111789 is 9871110933211.

It is a happy number.

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 1123390111789 - 2⁵ = 1123390111757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123390111589) 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, 14588694 + ... + 14665495.

It is an arithmetic number, because the mean of its divisors is an integer number (153233447220).

Almost surely, 2^{1123390111789} is an apocalyptic number.

It is an amenable number.

1123390111789 is a deficient number, since it is larger than the sum of its proper divisors (102477465971).

1123390111789 is a wasteful number, since it uses less digits than its factorization.

1123390111789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29257691.

The product of its (nonzero) digits is 81648, while the sum is 46.

The spelling of 1123390111789 in words is "one trillion, one hundred twenty-three billion, three hundred ninety million, one hundred eleven thousand, seven hundred eighty-nine".