113403642165 has 96 divisors (see below), whose sum is σ = 222534539136. Its totient is φ = 54944904960.

The previous prime is 113403642113. The next prime is 113403642167. The reversal of 113403642165 is 561246304311.

113403642165 is a `hidden beast` number, since 1 + 1 + 3 + 4 + 0 + 3 + 642 + 1 + 6 + 5 = 666.

It is not a de Polignac number, because 113403642165 - 2⁹ = 113403641653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113403642167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31178727 + ... + 31182363.

It is an arithmetic number, because the mean of its divisors is an integer number (2318068116).

Almost surely, 2^113403642165 is an apocalyptic number.

113403642165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113403642165 is a deficient number, since it is larger than the sum of its proper divisors (109130896971).

113403642165 is a wasteful number, since it uses less digits than its factorization.

113403642165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001 (or 5989 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 113403642165 its reverse (561246304311), we get a palindrome (674649946476).

The spelling of 113403642165 in words is "one hundred thirteen billion, four hundred three million, six hundred forty-two thousand, one hundred sixty-five".