113620224161 has 2 divisors, whose sum is σ = 113620224162. Its totient is φ = 113620224160.

The previous prime is 113620224121. The next prime is 113620224169. The reversal of 113620224161 is 161422026311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68275077025 + 45345147136 = 261295^2 + 212944^2 .

It is a cyclic number.

It is not a de Polignac number, because 113620224161 - 2⁶ = 113620224097 is a prime.

It is not a weakly prime, because it can be changed into another prime (113620224169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56810112080 + 56810112081.

It is an arithmetic number, because the mean of its divisors is an integer number (56810112081).

Almost surely, 2^113620224161 is an apocalyptic number.

It is an amenable number.

113620224161 is a deficient number, since it is larger than the sum of its proper divisors (1).

113620224161 is an equidigital number, since it uses as much as digits as its factorization.

113620224161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 113620224161 in words is "one hundred thirteen billion, six hundred twenty million, two hundred twenty-four thousand, one hundred sixty-one".