5825555557909 has 2 divisors, whose sum is σ = 5825555557910. Its totient is φ = 5825555557908.

The previous prime is 5825555557813. The next prime is 5825555557931. The reversal of 5825555557909 is 9097555555285.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3571638854884 + 2253916703025 = 1889878^2 + 1501305^2 .

It is a cyclic number.

It is not a de Polignac number, because 5825555557909 - 2²⁹ = 5825018686997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5825555557949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912777778954 + 2912777778955.

It is an arithmetic number, because the mean of its divisors is an integer number (2912777778955).

Almost surely, 2^{5825555557909} is an apocalyptic number.

It is an amenable number.

5825555557909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5825555557909 is an equidigital number, since it uses as much as digits as its factorization.

5825555557909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708750000, while the sum is 70.

The spelling of 5825555557909 in words is "five trillion, eight hundred twenty-five billion, five hundred fifty-five million, five hundred fifty-seven thousand, nine hundred nine".