11121424164 has 18 divisors (see below), whose sum is σ = 28112488950. Its totient is φ = 3707141376.

The previous prime is 11121424151. The next prime is 11121424199. The reversal of 11121424164 is 46142412111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6599937600 + 4521486564 = 81240^2 + 67242^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154464189 + ... + 154464260.

Almost surely, 2^11121424164 is an apocalyptic number.

It is an amenable number.

11121424164 is an abundant number, since it is smaller than the sum of its proper divisors (16991064786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121424164 is a wasteful number, since it uses less digits than its factorization.

11121424164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308928459 (or 308928454 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 11121424164 its reverse (46142412111), we get a palindrome (57263836275).

The spelling of 11121424164 in words is "eleven billion, one hundred twenty-one million, four hundred twenty-four thousand, one hundred sixty-four".