113743809861 has 32 divisors (see below), whose sum is σ = 167933316096. Its totient is φ = 67900896000.

The previous prime is 113743809821. The next prime is 113743809869. The reversal of 113743809861 is 168908347311.

It is a happy number.

It is not a de Polignac number, because 113743809861 - 2¹¹ = 113743807813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113743809869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533965 + ... + 2578461.

It is an arithmetic number, because the mean of its divisors is an integer number (5247916128).

Almost surely, 2^113743809861 is an apocalyptic number.

113743809861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113743809861 is a deficient number, since it is larger than the sum of its proper divisors (54189506235).

113743809861 is a wasteful number, since it uses less digits than its factorization.

113743809861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45673.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 113743809861 in words is "one hundred thirteen billion, seven hundred forty-three million, eight hundred nine thousand, eight hundred sixty-one".