113543774789 has 2 divisors, whose sum is σ = 113543774790. Its totient is φ = 113543774788.

The previous prime is 113543774767. The next prime is 113543774833. The reversal of 113543774789 is 987477345311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112620648100 + 923126689 = 335590^2 + 30383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113543774789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113513774789) 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 as a sum of consecutive naturals, namely, 56771887394 + 56771887395.

It is an arithmetic number, because the mean of its divisors is an integer number (56771887395).

Almost surely, 2^113543774789 is an apocalyptic number.

It is an amenable number.

113543774789 is a deficient number, since it is larger than the sum of its proper divisors (1).

113543774789 is an equidigital number, since it uses as much as digits as its factorization.

113543774789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 59.

The spelling of 113543774789 in words is "one hundred thirteen billion, five hundred forty-three million, seven hundred seventy-four thousand, seven hundred eighty-nine".