113291718779 has 8 divisors (see below), whose sum is σ = 119283336000. Its totient is φ = 107302991112.

The previous prime is 113291718737. The next prime is 113291718847. The reversal of 113291718779 is 977817192311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113291718779 - 2⁸ = 113291718523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113291718479) 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 7 ways as a sum of consecutive naturals, for example, 641669 + ... + 798950.

It is an arithmetic number, because the mean of its divisors is an integer number (14910417000).

Almost surely, 2^113291718779 is an apocalyptic number.

113291718779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

113291718779 is a deficient number, since it is larger than the sum of its proper divisors (5991617221).

113291718779 is a wasteful number, since it uses less digits than its factorization.

113291718779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444777.

The product of its digits is 1333584, while the sum is 56.

The spelling of 113291718779 in words is "one hundred thirteen billion, two hundred ninety-one million, seven hundred eighteen thousand, seven hundred seventy-nine".