113909520229 has 2 divisors, whose sum is σ = 113909520230. Its totient is φ = 113909520228.

The previous prime is 113909520191. The next prime is 113909520281. The reversal of 113909520229 is 922025909311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106883224900 + 7026295329 = 326930^2 + 83823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113909520229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113909520299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56954760114 + 56954760115.

It is an arithmetic number, because the mean of its divisors is an integer number (56954760115).

Almost surely, 2^113909520229 is an apocalyptic number.

It is an amenable number.

113909520229 is a deficient number, since it is larger than the sum of its proper divisors (1).

113909520229 is an equidigital number, since it uses as much as digits as its factorization.

113909520229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 113909520229 in words is "one hundred thirteen billion, nine hundred nine million, five hundred twenty thousand, two hundred twenty-nine".