1123585754138 has 16 divisors (see below), whose sum is σ = 1693365435720. Its totient is φ = 559135676736.

The previous prime is 1123585754089. The next prime is 1123585754147. The reversal of 1123585754138 is 8314575853211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1101015799849 + 22569954289 = 1049293^2 + 150233^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1123585754138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822833 + ... + 1710036.

Almost surely, 2^{1123585754138} is an apocalyptic number.

1123585754138 is a deficient number, since it is larger than the sum of its proper divisors (569779681582).

1123585754138 is a wasteful number, since it uses less digits than its factorization.

1123585754138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533921.

The product of its digits is 4032000, while the sum is 53.

The spelling of 1123585754138 in words is "one trillion, one hundred twenty-three billion, five hundred eighty-five million, seven hundred fifty-four thousand, one hundred thirty-eight".