11604505406 has 16 divisors (see below), whose sum is σ = 18747514464. Its totient is φ = 5355418464.

The previous prime is 11604505387. The next prime is 11604505453. The reversal of 11604505406 is 60450540611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528560 + ... + 550076.

It is an arithmetic number, because the mean of its divisors is an integer number (1171719654).

Almost surely, 2^11604505406 is an apocalyptic number.

11604505406 is a deficient number, since it is larger than the sum of its proper divisors (7143009058).

11604505406 is a wasteful number, since it uses less digits than its factorization.

11604505406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42275.

The product of its (nonzero) digits is 14400, while the sum is 32.

It can be divided in two parts, 11 and 604505406, that multiplied together give a palindrome (6649559466).

The spelling of 11604505406 in words is "eleven billion, six hundred four million, five hundred five thousand, four hundred six".