113420915605 has 16 divisors (see below), whose sum is σ = 144120803904. Its totient is φ = 85393634560.

The previous prime is 113420915591. The next prime is 113420915719. The reversal of 113420915605 is 506519024311.

It is not a de Polignac number, because 113420915605 - 2²⁵ = 113387361173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614870 + ... + 1683640.

It is an arithmetic number, because the mean of its divisors is an integer number (9007550244).

Almost surely, 2^113420915605 is an apocalyptic number.

It is an amenable number.

113420915605 is a deficient number, since it is larger than the sum of its proper divisors (30699888299).

113420915605 is a wasteful number, since it uses less digits than its factorization.

113420915605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88196.

The product of its (nonzero) digits is 32400, while the sum is 37.

Adding to 113420915605 its reverse (506519024311), we get a palindrome (619939939916).

The spelling of 113420915605 in words is "one hundred thirteen billion, four hundred twenty million, nine hundred fifteen thousand, six hundred five".