11665529434 has 16 divisors (see below), whose sum is σ = 18868294368. Its totient is φ = 5377239792.

The previous prime is 11665529417. The next prime is 11665529453. The reversal of 11665529434 is 43492556611.

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, 264592 + ... + 305515.

It is an arithmetic number, because the mean of its divisors is an integer number (1179268398).

Almost surely, 2^11665529434 is an apocalyptic number.

11665529434 is a deficient number, since it is larger than the sum of its proper divisors (7202764934).

11665529434 is a wasteful number, since it uses less digits than its factorization.

11665529434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570909.

The product of its digits is 777600, while the sum is 46.

The spelling of 11665529434 in words is "eleven billion, six hundred sixty-five million, five hundred twenty-nine thousand, four hundred thirty-four".