11660437405 has 8 divisors (see below), whose sum is σ = 13993408512. Its totient is φ = 9327760848.

The previous prime is 11660437379. The next prime is 11660437417. The reversal of 11660437405 is 50473406611.

11660437405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11660437405 - 2⁷ = 11660437277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25624 + ... + 154846.

It is an arithmetic number, because the mean of its divisors is an integer number (1749176064).

Almost surely, 2^11660437405 is an apocalyptic number.

It is an amenable number.

11660437405 is a deficient number, since it is larger than the sum of its proper divisors (2332971107).

11660437405 is a wasteful number, since it uses less digits than its factorization.

11660437405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147275.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 11660437405 in words is "eleven billion, six hundred sixty million, four hundred thirty-seven thousand, four hundred five".