113444740161 has 64 divisors (see below), whose sum is σ = 176394109440. Its totient is φ = 71922090240.

The previous prime is 113444740141. The next prime is 113444740223. The reversal of 113444740161 is 161047444311.

113444740161 is a `hidden beast` number, since 1 + 13 + 4 + 447 + 40 + 161 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-113444740161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113444740141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103791531 + ... + 103792623.

It is an arithmetic number, because the mean of its divisors is an integer number (2756157960).

Almost surely, 2^113444740161 is an apocalyptic number.

It is an amenable number.

113444740161 is a deficient number, since it is larger than the sum of its proper divisors (62949369279).

113444740161 is a wasteful number, since it uses less digits than its factorization.

113444740161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 113444740161 in words is "one hundred thirteen billion, four hundred forty-four million, seven hundred forty thousand, one hundred sixty-one".