113178784017 has 16 divisors (see below), whose sum is σ = 162519840000. Its totient is φ = 69645604992.

The previous prime is 113178784001. The next prime is 113178784091. The reversal of 113178784017 is 710487871311.

It is not a de Polignac number, because 113178784017 - 2⁴ = 113178784001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113178784417) by changing a digit.

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, 1269109 + ... + 1355357.

It is an arithmetic number, because the mean of its divisors is an integer number (10157490000).

Almost surely, 2^113178784017 is an apocalyptic number.

It is an amenable number.

113178784017 is a deficient number, since it is larger than the sum of its proper divisors (49341055983).

113178784017 is a wasteful number, since it uses less digits than its factorization.

113178784017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119912.

The product of its (nonzero) digits is 263424, while the sum is 48.

The spelling of 113178784017 in words is "one hundred thirteen billion, one hundred seventy-eight million, seven hundred eighty-four thousand, seventeen".