1123047968500 has 48 divisors (see below), whose sum is σ = 2480295701520. Its totient is φ = 444171763200.

The previous prime is 1123047968437. The next prime is 1123047968501. The reversal of 1123047968500 is 58697403211.

It can be written as a sum of positive squares in 8 ways, for example, as 249724076176 + 873323892324 = 499724^2 + 934518^2 .

It is a super-2 number, since 2×1123047968500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123047968501) 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 15 ways as a sum of consecutive naturals, for example, 12574017 + ... + 12663016.

It is an arithmetic number, because the mean of its divisors is an integer number (51672827115).

It is a 1-persistent number, because it is pandigital, but 2⋅1123047968500 = 2246095937000 is not.

Almost surely, 2^{1123047968500} is an apocalyptic number.

1123047968500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123047968500 is an abundant number, since it is smaller than the sum of its proper divisors (1357247733020).

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

1123047968500 is a wasteful number, since it uses less digits than its factorization.

1123047968500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25237141 (or 25237129 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 1123047968500 in words is "one trillion, one hundred twenty-three billion, forty-seven million, nine hundred sixty-eight thousand, five hundred".