113257042161 has 8 divisors (see below), whose sum is σ = 151067103264. Its totient is φ = 75475837920.

The previous prime is 113257042139. The next prime is 113257042177. The reversal of 113257042161 is 161240752311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113257042161 - 2³⁴ = 96077172977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113257042111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7205055 + ... + 7220756.

It is an arithmetic number, because the mean of its divisors is an integer number (18883387908).

Almost surely, 2^113257042161 is an apocalyptic number.

It is an amenable number.

113257042161 is a deficient number, since it is larger than the sum of its proper divisors (37810061103).

113257042161 is a wasteful number, since it uses less digits than its factorization.

113257042161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428431.

The product of its (nonzero) digits is 10080, while the sum is 33.

Adding to 113257042161 its reverse (161240752311), we get a palindrome (274497794472).

The spelling of 113257042161 in words is "one hundred thirteen billion, two hundred fifty-seven million, forty-two thousand, one hundred sixty-one".