11201672161 has 8 divisors (see below), whose sum is σ = 11333836800. Its totient is φ = 11070194688.

The previous prime is 11201672149. The next prime is 11201672173. The reversal of 11201672161 is 16127610211.

It is an interprime number because it is at equal distance from previous prime (11201672149) and next prime (11201672173).

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 11201672161 - 2¹¹ = 11201670113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201675161) 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, 138961 + ... + 204238.

It is an arithmetic number, because the mean of its divisors is an integer number (1416729600).

Almost surely, 2^11201672161 is an apocalyptic number.

It is an amenable number.

11201672161 is a deficient number, since it is larger than the sum of its proper divisors (132164639).

11201672161 is a wasteful number, since it uses less digits than its factorization.

11201672161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343583.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 11201672161 in words is "eleven billion, two hundred one million, six hundred seventy-two thousand, one hundred sixty-one".