1126485721563 has 8 divisors (see below), whose sum is σ = 1504099414800. Its totient is φ = 749931254688.

The previous prime is 1126485721499. The next prime is 1126485721601. The reversal of 1126485721563 is 3651275846211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1126485721563 - 2⁶ = 1126485721499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126485723563) by changing a digit.

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, 264804108 + ... + 264808361.

It is an arithmetic number, because the mean of its divisors is an integer number (188012426850).

Almost surely, 2^{1126485721563} is an apocalyptic number.

1126485721563 is a deficient number, since it is larger than the sum of its proper divisors (377613693237).

1126485721563 is an equidigital number, since it uses as much as digits as its factorization.

1126485721563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529613181.

The product of its digits is 2419200, while the sum is 51.

The spelling of 1126485721563 in words is "one trillion, one hundred twenty-six billion, four hundred eighty-five million, seven hundred twenty-one thousand, five hundred sixty-three".