113311953409 has 2 divisors, whose sum is σ = 113311953410. Its totient is φ = 113311953408.

The previous prime is 113311953407. The next prime is 113311953439. The reversal of 113311953409 is 904359113311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81551367184 + 31760586225 = 285572^2 + 178215^2 .

It is a cyclic number.

It is not a de Polignac number, because 113311953409 - 2¹ = 113311953407 is a prime.

Together with 113311953407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113311953407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56655976704 + 56655976705.

It is an arithmetic number, because the mean of its divisors is an integer number (56655976705).

Almost surely, 2^113311953409 is an apocalyptic number.

It is an amenable number.

113311953409 is a deficient number, since it is larger than the sum of its proper divisors (1).

113311953409 is an equidigital number, since it uses as much as digits as its factorization.

113311953409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 113311953409 in words is "one hundred thirteen billion, three hundred eleven million, nine hundred fifty-three thousand, four hundred nine".