11312144434 has 16 divisors (see below), whose sum is σ = 17562314520. Its totient is φ = 5458239360.

The previous prime is 11312144407. The next prime is 11312144447. The reversal of 11312144434 is 43444121311.

It can be written as a sum of positive squares in 4 ways, for example, as 11245966209 + 66178225 = 106047^2 + 8135^2 .

It is a super-2 number, since 2×11312144434² (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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66664 + ... + 164524.

Almost surely, 2^11312144434 is an apocalyptic number.

11312144434 is a deficient number, since it is larger than the sum of its proper divisors (6250170086).

11312144434 is a wasteful number, since it uses less digits than its factorization.

11312144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99885.

The product of its digits is 4608, while the sum is 28.

Adding to 11312144434 its reverse (43444121311), we get a palindrome (54756265745).

The spelling of 11312144434 in words is "eleven billion, three hundred twelve million, one hundred forty-four thousand, four hundred thirty-four".