113405325165 has 96 divisors (see below), whose sum is σ = 218221496064. Its totient is φ = 54020459520.

The previous prime is 113405325127. The next prime is 113405325167. The reversal of 113405325165 is 561523504311.

113405325165 is a `hidden beast` number, since 1 + 1 + 340 + 5 + 3 + 251 + 65 = 666.

It is not a de Polignac number, because 113405325165 - 2⁹ = 113405324653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113405325167) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9497539 + ... + 9509471.

It is an arithmetic number, because the mean of its divisors is an integer number (2273140584).

Almost surely, 2^113405325165 is an apocalyptic number.

113405325165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113405325165 is a deficient number, since it is larger than the sum of its proper divisors (104816170899).

113405325165 is a wasteful number, since it uses less digits than its factorization.

113405325165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291 (or 12288 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 113405325165 its reverse (561523504311), we get a palindrome (674928829476).

The spelling of 113405325165 in words is "one hundred thirteen billion, four hundred five million, three hundred twenty-five thousand, one hundred sixty-five".