11442121434 has 12 divisors (see below), whose sum is σ = 24791263146. Its totient is φ = 3814040472.

The previous prime is 11442121429. The next prime is 11442121441. The reversal of 11442121434 is 43412124411.

11442121434 is a `hidden beast` number, since 1 + 1 + 442 + 1 + 214 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10992893409 + 449228025 = 104847^2 + 21195^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11442121398 and 11442121407.

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, 317836689 + ... + 317836724.

Almost surely, 2^11442121434 is an apocalyptic number.

11442121434 is an abundant number, since it is smaller than the sum of its proper divisors (13349141712).

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

11442121434 is a wasteful number, since it uses less digits than its factorization.

11442121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635673421 (or 635673418 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 11442121434 its reverse (43412124411), we get a palindrome (54854245845).

The spelling of 11442121434 in words is "eleven billion, four hundred forty-two million, one hundred twenty-one thousand, four hundred thirty-four".