557277150121 has 2 divisors, whose sum is σ = 557277150122. Its totient is φ = 557277150120.

The previous prime is 557277150109. The next prime is 557277150169. The reversal of 557277150121 is 121051772755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 501030387225 + 56246762896 = 707835^2 + 237164^2 .

It is a cyclic number.

It is not a de Polignac number, because 557277150121 - 2⁷ = 557277149993 is a prime.

It is not a weakly prime, because it can be changed into another prime (557277150721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278638575060 + 278638575061.

It is an arithmetic number, because the mean of its divisors is an integer number (278638575061).

Almost surely, 2^557277150121 is an apocalyptic number.

It is an amenable number.

557277150121 is a deficient number, since it is larger than the sum of its proper divisors (1).

557277150121 is an equidigital number, since it uses as much as digits as its factorization.

557277150121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171500, while the sum is 43.

The spelling of 557277150121 in words is "five hundred fifty-seven billion, two hundred seventy-seven million, one hundred fifty thousand, one hundred twenty-one".