113020402005 has 112 divisors (see below), whose sum is σ = 235580148480. Its totient is φ = 50957869824.

The previous prime is 113020401959. The next prime is 113020402039. The reversal of 113020402005 is 500204020311.

It is not a de Polignac number, because 113020402005 - 2¹³ = 113020393813 is a prime.

It is a super-2 number, since 2×113020402005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 1832256 + ... + 1892934.

Almost surely, 2^113020402005 is an apocalyptic number.

113020402005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113020402005 is an abundant number, since it is smaller than the sum of its proper divisors (122559746475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113020402005 is an frugal number, since it uses more digits than its factorization.

113020402005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60782 (or 60767 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 113020402005 its reverse (500204020311), we get a palindrome (613224422316).

The spelling of 113020402005 in words is "one hundred thirteen billion, twenty million, four hundred two thousand, five".