11113182381 has 8 divisors (see below), whose sum is σ = 16934373184. Its totient is φ = 6350389920.

The previous prime is 11113182361. The next prime is 11113182407. The reversal of 11113182381 is 18328131111.

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

It is not a de Polignac number, because 11113182381 - 2⁹ = 11113181869 is a prime.

It is a super-2 number, since 2×11113182381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113182341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264599560 + ... + 264599601.

It is an arithmetic number, because the mean of its divisors is an integer number (2116796648).

Almost surely, 2^11113182381 is an apocalyptic number.

It is an amenable number.

11113182381 is a deficient number, since it is larger than the sum of its proper divisors (5821190803).

11113182381 is an equidigital number, since it uses as much as digits as its factorization.

11113182381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529199171.

The product of its digits is 1152, while the sum is 30.

The spelling of 11113182381 in words is "eleven billion, one hundred thirteen million, one hundred eighty-two thousand, three hundred eighty-one".