575718252121 has 2 divisors, whose sum is σ = 575718252122. Its totient is φ = 575718252120.

The previous prime is 575718252107. The next prime is 575718252169. The reversal of 575718252121 is 121252817575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565075441225 + 10642810896 = 751715^2 + 103164^2 .

It is a cyclic number.

It is not a de Polignac number, because 575718252121 - 2¹³ = 575718243929 is a prime.

It is not a weakly prime, because it can be changed into another prime (575718252181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287859126060 + 287859126061.

It is an arithmetic number, because the mean of its divisors is an integer number (287859126061).

Almost surely, 2^575718252121 is an apocalyptic number.

It is an amenable number.

575718252121 is a deficient number, since it is larger than the sum of its proper divisors (1).

575718252121 is an equidigital number, since it uses as much as digits as its factorization.

575718252121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392000, while the sum is 46.

The spelling of 575718252121 in words is "five hundred seventy-five billion, seven hundred eighteen million, two hundred fifty-two thousand, one hundred twenty-one".