113945180161 has 8 divisors (see below), whose sum is σ = 114851810304. Its totient is φ = 113038697520.

The previous prime is 113945180149. The next prime is 113945180171. The reversal of 113945180161 is 161081549311.

It is a happy number.

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 113945180161 - 2¹⁹ = 113944655873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113945180171) 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, 1928346 + ... + 1986556.

It is an arithmetic number, because the mean of its divisors is an integer number (14356476288).

Almost surely, 2^113945180161 is an apocalyptic number.

It is an amenable number.

113945180161 is a deficient number, since it is larger than the sum of its proper divisors (906630143).

113945180161 is a wasteful number, since it uses less digits than its factorization.

113945180161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73751.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 113945180161 in words is "one hundred thirteen billion, nine hundred forty-five million, one hundred eighty thousand, one hundred sixty-one".