113539966570109 has 2 divisors, whose sum is σ = 113539966570110. Its totient is φ = 113539966570108.

The previous prime is 113539966570103. The next prime is 113539966570259. The reversal of 113539966570109 is 901075669935311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99144278522884 + 14395688047225 = 9957122^2 + 3794165^2 .

It is a cyclic number.

It is not a de Polignac number, because 113539966570109 - 2²⁰ = 113539965521533 is a prime.

It is a super-5 number, since 5×113539966570109⁵ (a number of 71 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113539966570103) 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 as a sum of consecutive naturals, namely, 56769983285054 + 56769983285055.

It is an arithmetic number, because the mean of its divisors is an integer number (56769983285055).

Almost surely, 2^{113539966570109} is an apocalyptic number.

It is an amenable number.

113539966570109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113539966570109 is an equidigital number, since it uses as much as digits as its factorization.

113539966570109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41334300, while the sum is 65.

The spelling of 113539966570109 in words is "one hundred thirteen trillion, five hundred thirty-nine billion, nine hundred sixty-six million, five hundred seventy thousand, one hundred nine".