1123612603503 has 48 divisors (see below), whose sum is σ = 1626057538560. Its totient is φ = 689836597632.

The previous prime is 1123612603489. The next prime is 1123612603507. The reversal of 1123612603503 is 3053062163211.

It is not a de Polignac number, because 1123612603503 - 2²⁰ = 1123611554927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123612603507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686384401 + ... + 686386037.

It is an arithmetic number, because the mean of its divisors is an integer number (33876198720).

Almost surely, 2^{1123612603503} is an apocalyptic number.

1123612603503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123612603503 is a deficient number, since it is larger than the sum of its proper divisors (502444935057).

1123612603503 is a wasteful number, since it uses less digits than its factorization.

1123612603503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 1123612603503 its reverse (3053062163211), we get a palindrome (4176674766714).

The spelling of 1123612603503 in words is "one trillion, one hundred twenty-three billion, six hundred twelve million, six hundred three thousand, five hundred three".