11315144434 has 16 divisors (see below), whose sum is σ = 18598728960. Its totient is φ = 5120181360.

The previous prime is 11315144417. The next prime is 11315144437. The reversal of 11315144434 is 43444151311.

It is a junction number, because it is equal to n+sod(n) for n = 11315144396 and 11315144405.

It is not an unprimeable number, because it can be changed into a prime (11315144437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148289 + ... + 1158100.

It is an arithmetic number, because the mean of its divisors is an integer number (1162420560).

Almost surely, 2^11315144434 is an apocalyptic number.

11315144434 is a deficient number, since it is larger than the sum of its proper divisors (7283584526).

11315144434 is a wasteful number, since it uses less digits than its factorization.

11315144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306625.

The product of its digits is 11520, while the sum is 31.

Adding to 11315144434 its reverse (43444151311), we get a palindrome (54759295745).

The spelling of 11315144434 in words is "eleven billion, three hundred fifteen million, one hundred forty-four thousand, four hundred thirty-four".