1025168150257 has 2 divisors, whose sum is σ = 1025168150258. Its totient is φ = 1025168150256.

The previous prime is 1025168150231. The next prime is 1025168150267. The reversal of 1025168150257 is 7520518615201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 816427902096 + 208740248161 = 903564^2 + 456881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025168150257 - 2⁷ = 1025168150129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025168150207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512584075128 + 512584075129.

It is an arithmetic number, because the mean of its divisors is an integer number (512584075129).

Almost surely, 2^{1025168150257} is an apocalyptic number.

It is an amenable number.

1025168150257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025168150257 is an equidigital number, since it uses as much as digits as its factorization.

1025168150257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 43.

The spelling of 1025168150257 in words is "one trillion, twenty-five billion, one hundred sixty-eight million, one hundred fifty thousand, two hundred fifty-seven".