1126465116503 has 4 divisors (see below), whose sum is σ = 1165308741240. Its totient is φ = 1087621491768.

The previous prime is 1126465116467. The next prime is 1126465116523. The reversal of 1126465116503 is 3056115646211.

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 1126465116503 - 2³⁸ = 851587209559 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 (1126465116523) 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, 19421812325 + ... + 19421812382.

It is an arithmetic number, because the mean of its divisors is an integer number (291327185310).

Almost surely, 2^{1126465116503} is an apocalyptic number.

1126465116503 is a deficient number, since it is larger than the sum of its proper divisors (38843624737).

1126465116503 is an equidigital number, since it uses as much as digits as its factorization.

1126465116503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38843624736.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1126465116503 in words is "one trillion, one hundred twenty-six billion, four hundred sixty-five million, one hundred sixteen thousand, five hundred three".