11606557173 has 8 divisors (see below), whose sum is σ = 15476024928. Its totient is φ = 7737397104.

The previous prime is 11606557159. The next prime is 11606557211. The reversal of 11606557173 is 37175560611.

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

It is not a de Polignac number, because 11606557173 - 2⁵ = 11606557141 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606557153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33915 + ... + 156087.

It is an arithmetic number, because the mean of its divisors is an integer number (1934503116).

Almost surely, 2^11606557173 is an apocalyptic number.

It is an amenable number.

11606557173 is a deficient number, since it is larger than the sum of its proper divisors (3869467755).

11606557173 is a wasteful number, since it uses less digits than its factorization.

11606557173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153843.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 11606557173 in words is "eleven billion, six hundred six million, five hundred fifty-seven thousand, one hundred seventy-three".