1550752165243 has 2 divisors, whose sum is σ = 1550752165244. Its totient is φ = 1550752165242.

The previous prime is 1550752165231. The next prime is 1550752165321. The reversal of 1550752165243 is 3425612570551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1550752165243 - 2³⁷ = 1413313211771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1550752165193 and 1550752165202.

It is not a weakly prime, because it can be changed into another prime (1550752165343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775376082621 + 775376082622.

It is an arithmetic number, because the mean of its divisors is an integer number (775376082622).

Almost surely, 2^{1550752165243} is an apocalyptic number.

1550752165243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550752165243 is an equidigital number, since it uses as much as digits as its factorization.

1550752165243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 1550752165243 in words is "one trillion, five hundred fifty billion, seven hundred fifty-two million, one hundred sixty-five thousand, two hundred forty-three".