1118785463 has 4 divisors (see below), whose sum is σ = 1119538320. Its totient is φ = 1118032608.

The previous prime is 1118785357. The next prime is 1118785471. The reversal of 1118785463 is 3645878111.

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 1118785463 - 2¹⁰ = 1118784439 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 (1118782463) 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, 374195 + ... + 377172.

It is an arithmetic number, because the mean of its divisors is an integer number (279884580).

Almost surely, 2^1118785463 is an apocalyptic number.

1118785463 is a deficient number, since it is larger than the sum of its proper divisors (752857).

1118785463 is an equidigital number, since it uses as much as digits as its factorization.

1118785463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752856.

The product of its digits is 161280, while the sum is 44.

The square root of 1118785463 is about 33448.2505222620. The cubic root of 1118785463 is about 1038.1232991094.

The spelling of 1118785463 in words is "one billion, one hundred eighteen million, seven hundred eighty-five thousand, four hundred sixty-three".