11725842171 has 8 divisors (see below), whose sum is σ = 15635033424. Its totient is φ = 7816939520.

The previous prime is 11725842169. The next prime is 11725842209. The reversal of 11725842171 is 17124852711.

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 11725842171 - 2¹ = 11725842169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11725842151) 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, 54331 + ... + 162491.

It is an arithmetic number, because the mean of its divisors is an integer number (1954379178).

Almost surely, 2^11725842171 is an apocalyptic number.

11725842171 is a deficient number, since it is larger than the sum of its proper divisors (3909191253).

11725842171 is a wasteful number, since it uses less digits than its factorization.

11725842171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144301.

The product of its digits is 31360, while the sum is 39.

The spelling of 11725842171 in words is "eleven billion, seven hundred twenty-five million, eight hundred forty-two thousand, one hundred seventy-one".