113204205641 has 2 divisors, whose sum is σ = 113204205642. Its totient is φ = 113204205640.

The previous prime is 113204205559. The next prime is 113204205649. The reversal of 113204205641 is 146502402311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108402270025 + 4801935616 = 329245^2 + 69296^2 .

It is an emirp because it is prime and its reverse (146502402311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113204205641 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (113204205649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56602102820 + 56602102821.

It is an arithmetic number, because the mean of its divisors is an integer number (56602102821).

Almost surely, 2^113204205641 is an apocalyptic number.

It is an amenable number.

113204205641 is a deficient number, since it is larger than the sum of its proper divisors (1).

113204205641 is an equidigital number, since it uses as much as digits as its factorization.

113204205641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 113204205641 its reverse (146502402311), we get a palindrome (259706607952).

The spelling of 113204205641 in words is "one hundred thirteen billion, two hundred four million, two hundred five thousand, six hundred forty-one".