1356546120491 has 2 divisors, whose sum is σ = 1356546120492. Its totient is φ = 1356546120490.

The previous prime is 1356546120409. The next prime is 1356546120547. The reversal of 1356546120491 is 1940216456531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356546120491 - 2¹⁴ = 1356546104107 is a prime.

It is not a weakly prime, because it can be changed into another prime (1356546120191) 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, 678273060245 + 678273060246.

It is an arithmetic number, because the mean of its divisors is an integer number (678273060246).

Almost surely, 2^{1356546120491} is an apocalyptic number.

1356546120491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356546120491 is an equidigital number, since it uses as much as digits as its factorization.

1356546120491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1356546120491 in words is "one trillion, three hundred fifty-six billion, five hundred forty-six million, one hundred twenty thousand, four hundred ninety-one".