173857072011 has 16 divisors (see below), whose sum is σ = 264937634304. Its totient is φ = 99342183744.

The previous prime is 173857072007. The next prime is 173857072099. The reversal of 173857072011 is 110270758371.

It is not a de Polignac number, because 173857072011 - 2² = 173857072007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173857072111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283935 + ... + 654471.

It is an arithmetic number, because the mean of its divisors is an integer number (16558602144).

Almost surely, 2^173857072011 is an apocalyptic number.

173857072011 is a deficient number, since it is larger than the sum of its proper divisors (91080562293).

173857072011 is a wasteful number, since it uses less digits than its factorization.

173857072011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392890.

The product of its (nonzero) digits is 82320, while the sum is 42.

The spelling of 173857072011 in words is "one hundred seventy-three billion, eight hundred fifty-seven million, seventy-two thousand, eleven".