11530368434 has 16 divisors (see below), whose sum is σ = 18684750168. Its totient is φ = 5304916992.

The previous prime is 11530368397. The next prime is 11530368457. The reversal of 11530368434 is 43486303511.

It can be written as a sum of positive squares in 4 ways, for example, as 7090145209 + 4440223225 = 84203^2 + 66635^2 .

It is a super-4 number, since 4×11530368434⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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, 691247 + ... + 707730.

Almost surely, 2^11530368434 is an apocalyptic number.

11530368434 is a deficient number, since it is larger than the sum of its proper divisors (7154381734).

11530368434 is a wasteful number, since it uses less digits than its factorization.

11530368434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399309.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 11530368434 in words is "eleven billion, five hundred thirty million, three hundred sixty-eight thousand, four hundred thirty-four".