113509494769 has 16 divisors (see below), whose sum is σ = 125130539520. Its totient is φ = 102105884160.

The previous prime is 113509494757. The next prime is 113509494779. The reversal of 113509494769 is 967494905311.

It is a cyclic number.

It is not a de Polignac number, because 113509494769 - 2⁵ = 113509494737 is a prime.

It is a super-2 number, since 2×113509494769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113509494779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8084047 + ... + 8098075.

It is an arithmetic number, because the mean of its divisors is an integer number (7820658720).

Almost surely, 2^113509494769 is an apocalyptic number.

It is an amenable number.

113509494769 is a deficient number, since it is larger than the sum of its proper divisors (11621044751).

113509494769 is a wasteful number, since it uses less digits than its factorization.

113509494769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21720.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 113509494769 in words is "one hundred thirteen billion, five hundred nine million, four hundred ninety-four thousand, seven hundred sixty-nine".