11162218481 has 8 divisors (see below), whose sum is σ = 11721724224. Its totient is φ = 10608895440.

The previous prime is 11162218469. The next prime is 11162218583. The reversal of 11162218481 is 18481226111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11162218481 is a prime.

It is a super-2 number, since 2×11162218481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11162218451) 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, 1541975 + ... + 1549196.

It is an arithmetic number, because the mean of its divisors is an integer number (1465215528).

Almost surely, 2^11162218481 is an apocalyptic number.

It is an amenable number.

11162218481 is a deficient number, since it is larger than the sum of its proper divisors (559505743).

11162218481 is a wasteful number, since it uses less digits than its factorization.

11162218481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091351.

The product of its digits is 6144, while the sum is 35.

The spelling of 11162218481 in words is "eleven billion, one hundred sixty-two million, two hundred eighteen thousand, four hundred eighty-one".