11417863681 has 8 divisors (see below), whose sum is σ = 13117307904. Its totient is φ = 9735499680.

The previous prime is 11417863669. The next prime is 11417863733. The reversal of 11417863681 is 18636871411.

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 11417863681 - 2⁹ = 11417863169 is a prime.

It is a super-2 number, since 2×11417863681² (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 (11417863631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4268620 + ... + 4271293.

It is an arithmetic number, because the mean of its divisors is an integer number (1639663488).

Almost surely, 2^11417863681 is an apocalyptic number.

It is an amenable number.

11417863681 is a deficient number, since it is larger than the sum of its proper divisors (1699444223).

11417863681 is an equidigital number, since it uses as much as digits as its factorization.

11417863681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8540111.

The product of its digits is 193536, while the sum is 46.

The spelling of 11417863681 in words is "eleven billion, four hundred seventeen million, eight hundred sixty-three thousand, six hundred eighty-one".