1125033345503 has 4 divisors (see below), whose sum is σ = 1130686779600. Its totient is φ = 1119379911408.

The previous prime is 1125033345493. The next prime is 1125033345599. The reversal of 1125033345503 is 3055433305211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1125033345503 - 2⁴ = 1125033345487 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 (1125033345103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826716750 + ... + 2826717147.

It is an arithmetic number, because the mean of its divisors is an integer number (282671694900).

Almost surely, 2^{1125033345503} is an apocalyptic number.

1125033345503 is a deficient number, since it is larger than the sum of its proper divisors (5653434097).

1125033345503 is an equidigital number, since it uses as much as digits as its factorization.

1125033345503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653434096.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 1125033345503 in words is "one trillion, one hundred twenty-five billion, thirty-three million, three hundred forty-five thousand, five hundred three".