1123191444480 has 704 divisors, whose sum is σ = 4342003384320. Its totient is φ = 242358681600.

The previous prime is 1123191444469. The next prime is 1123191444509. The reversal of 1123191444480 is 844441913211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136653811 + ... + 136662029.

Almost surely, 2^{1123191444480} is an apocalyptic number.

1123191444480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123191444480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2171001692160).

1123191444480 is an abundant number, since it is smaller than the sum of its proper divisors (3218811939840).

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

1123191444480 is a wasteful number, since it uses less digits than its factorization.

1123191444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326 (or 8308 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 1123191444480 in words is "one trillion, one hundred twenty-three billion, one hundred ninety-one million, four hundred forty-four thousand, four hundred eighty".