5205205777259 has 2 divisors, whose sum is σ = 5205205777260. Its totient is φ = 5205205777258.

The previous prime is 5205205777241. The next prime is 5205205777279. The reversal of 5205205777259 is 9527775025025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5205205777259 - 2⁸ = 5205205777003 is a prime.

It is a super-2 number, since 2×5205205777259² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (5205205777279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2602602888629 + 2602602888630.

It is an arithmetic number, because the mean of its divisors is an integer number (2602602888630).

Almost surely, 2^{5205205777259} is an apocalyptic number.

5205205777259 is a deficient number, since it is larger than the sum of its proper divisors (1).

5205205777259 is an equidigital number, since it uses as much as digits as its factorization.

5205205777259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435000, while the sum is 56.

The spelling of 5205205777259 in words is "five trillion, two hundred five billion, two hundred five million, seven hundred seventy-seven thousand, two hundred fifty-nine".