1125665670503 has 4 divisors (see below), whose sum is σ = 1227998913288. Its totient is φ = 1023332427720.

The previous prime is 1125665670461. The next prime is 1125665670511. The reversal of 1125665670503 is 3050765665211.

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 1125665670503 - 2⁶ = 1125665670439 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 (1125665670523) 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 3 ways as a sum of consecutive naturals, for example, 51166621376 + ... + 51166621397.

It is an arithmetic number, because the mean of its divisors is an integer number (306999728322).

Almost surely, 2^{1125665670503} is an apocalyptic number.

1125665670503 is a deficient number, since it is larger than the sum of its proper divisors (102333242785).

1125665670503 is a wasteful number, since it uses less digits than its factorization.

1125665670503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102333242784.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 1125665670503 in words is "one trillion, one hundred twenty-five billion, six hundred sixty-five million, six hundred seventy thousand, five hundred three".