11811450605 has 8 divisors (see below), whose sum is σ = 14919727200. Its totient is φ = 8951836176.

The previous prime is 11811450493. The next prime is 11811450611. The reversal of 11811450605 is 50605411811.

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 11811450605 - 2¹⁸ = 11811188461 is a prime.

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, 62165435 + ... + 62165624.

It is an arithmetic number, because the mean of its divisors is an integer number (1864965900).

Almost surely, 2^11811450605 is an apocalyptic number.

It is an amenable number.

11811450605 is a deficient number, since it is larger than the sum of its proper divisors (3108276595).

11811450605 is a wasteful number, since it uses less digits than its factorization.

11811450605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124331083.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 11811450605 in words is "eleven billion, eight hundred eleven million, four hundred fifty thousand, six hundred five".