11318784481 has 4 divisors (see below), whose sum is σ = 11914510000. Its totient is φ = 10723058964.

The previous prime is 11318784469. The next prime is 11318784493. The reversal of 11318784481 is 18448781311.

11318784481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11318784469) and next prime (11318784493).

It is a cyclic number.

It is not a de Polignac number, because 11318784481 - 2³¹ = 9171300833 is a prime.

It is a super-2 number, since 2×11318784481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11318784461) 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 3 ways as a sum of consecutive naturals, for example, 297862731 + ... + 297862768.

It is an arithmetic number, because the mean of its divisors is an integer number (2978627500).

Almost surely, 2^11318784481 is an apocalyptic number.

It is an amenable number.

11318784481 is a deficient number, since it is larger than the sum of its proper divisors (595725519).

11318784481 is an equidigital number, since it uses as much as digits as its factorization.

11318784481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595725518.

The product of its digits is 172032, while the sum is 46.

The spelling of 11318784481 in words is "eleven billion, three hundred eighteen million, seven hundred eighty-four thousand, four hundred eighty-one".