11783645017 has 8 divisors (see below), whose sum is σ = 12422615360. Its totient is φ = 11146552560.

The previous prime is 11783645009. The next prime is 11783645021. The reversal of 11783645017 is 71054638711.

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

It is a cyclic number.

It is not a de Polignac number, because 11783645017 - 2³ = 11783645009 is a prime.

It is a super-3 number, since 3×11783645017³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11783645077) 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 7 ways as a sum of consecutive naturals, for example, 456573 + ... + 481690.

It is an arithmetic number, because the mean of its divisors is an integer number (1552826920).

Almost surely, 2^11783645017 is an apocalyptic number.

It is an amenable number.

11783645017 is a deficient number, since it is larger than the sum of its proper divisors (638970343).

11783645017 is an equidigital number, since it uses as much as digits as its factorization.

11783645017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938943.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 11783645017 in words is "eleven billion, seven hundred eighty-three million, six hundred forty-five thousand, seventeen".