11154134144 has 32 divisors (see below), whose sum is σ = 22242186300. Its totient is φ = 5571781632.

The previous prime is 11154134111. The next prime is 11154134153. The reversal of 11154134144 is 44143145111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9864462400 + 1289671744 = 99320^2 + 35912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×11154134144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 96074 + ... + 177590.

Almost surely, 2^11154134144 is an apocalyptic number.

It is an amenable number.

11154134144 is a deficient number, since it is larger than the sum of its proper divisors (11088052156).

11154134144 is an equidigital number, since it uses as much as digits as its factorization.

11154134144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82600 (or 82588 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

Adding to 11154134144 its reverse (44143145111), we get a palindrome (55297279255).

The spelling of 11154134144 in words is "eleven billion, one hundred fifty-four million, one hundred thirty-four thousand, one hundred forty-four".