1282211028157 has 2 divisors, whose sum is σ = 1282211028158. Its totient is φ = 1282211028156.

The previous prime is 1282211028127. The next prime is 1282211028187. The reversal of 1282211028157 is 7518201122821.

It is a balanced prime because it is at equal distance from previous prime (1282211028127) and next prime (1282211028187).

It can be written as a sum of positive squares in only one way, i.e., 971316686916 + 310894341241 = 985554^2 + 557579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1282211028157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282211028127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641105514078 + 641105514079.

It is an arithmetic number, because the mean of its divisors is an integer number (641105514079).

Almost surely, 2^{1282211028157} is an apocalyptic number.

It is an amenable number.

1282211028157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282211028157 is an equidigital number, since it uses as much as digits as its factorization.

1282211028157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 40.

The spelling of 1282211028157 in words is "one trillion, two hundred eighty-two billion, two hundred eleven million, twenty-eight thousand, one hundred fifty-seven".