1675156128641 has 2 divisors, whose sum is σ = 1675156128642. Its totient is φ = 1675156128640.

The previous prime is 1675156128593. The next prime is 1675156128671. The reversal of 1675156128641 is 1468216515761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1360430640625 + 314725488016 = 1166375^2 + 561004^2 .

It is a cyclic number.

It is not a de Polignac number, because 1675156128641 - 2⁶ = 1675156128577 is a prime.

It is a super-2 number, since 2×1675156128641² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1675156128671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837578064320 + 837578064321.

It is an arithmetic number, because the mean of its divisors is an integer number (837578064321).

Almost surely, 2^{1675156128641} is an apocalyptic number.

It is an amenable number.

1675156128641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675156128641 is an equidigital number, since it uses as much as digits as its factorization.

1675156128641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 53.

The spelling of 1675156128641 in words is "one trillion, six hundred seventy-five billion, one hundred fifty-six million, one hundred twenty-eight thousand, six hundred forty-one".