113020215105 has 16 divisors (see below), whose sum is σ = 206665536384. Its totient is φ = 51666384000.

The previous prime is 113020215103. The next prime is 113020215107. The reversal of 113020215105 is 501512020311.

It is an interprime number because it is at equal distance from previous prime (113020215103) and next prime (113020215107).

It is not a de Polignac number, because 113020215105 - 2¹ = 113020215103 is a prime.

It is a super-2 number, since 2×113020215105² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (113020215101) 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 15 ways as a sum of consecutive naturals, for example, 538191396 + ... + 538191605.

It is an arithmetic number, because the mean of its divisors is an integer number (12916596024).

Almost surely, 2^113020215105 is an apocalyptic number.

113020215105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113020215105 is a deficient number, since it is larger than the sum of its proper divisors (93645321279).

113020215105 is a wasteful number, since it uses less digits than its factorization.

113020215105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076383016.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 113020215105 its reverse (501512020311), we get a palindrome (614532235416).

The spelling of 113020215105 in words is "one hundred thirteen billion, twenty million, two hundred fifteen thousand, one hundred five".