1075268172049 has 2 divisors, whose sum is σ = 1075268172050. Its totient is φ = 1075268172048.

The previous prime is 1075268172007. The next prime is 1075268172059. The reversal of 1075268172049 is 9402718625701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765695001600 + 309573170449 = 875040^2 + 556393^2 .

It is an emirp because it is prime and its reverse (9402718625701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1075268172049 - 2³⁵ = 1040908433681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1075268171987 and 1075268172005.

It is not a weakly prime, because it can be changed into another prime (1075268172059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537634086024 + 537634086025.

It is an arithmetic number, because the mean of its divisors is an integer number (537634086025).

Almost surely, 2^{1075268172049} is an apocalyptic number.

It is an amenable number.

1075268172049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075268172049 is an equidigital number, since it uses as much as digits as its factorization.

1075268172049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 1075268172049 in words is "one trillion, seventy-five billion, two hundred sixty-eight million, one hundred seventy-two thousand, forty-nine".