5355133661491 has 2 divisors, whose sum is σ = 5355133661492. Its totient is φ = 5355133661490.

The previous prime is 5355133661477. The next prime is 5355133661519. The reversal of 5355133661491 is 1941663315535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5355133661491 - 2¹¹ = 5355133659443 is a prime.

It is not a weakly prime, because it can be changed into another prime (5355133661401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2677566830745 + 2677566830746.

It is an arithmetic number, because the mean of its divisors is an integer number (2677566830746).

Almost surely, 2^{5355133661491} is an apocalyptic number.

5355133661491 is a deficient number, since it is larger than the sum of its proper divisors (1).

5355133661491 is an equidigital number, since it uses as much as digits as its factorization.

5355133661491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374000, while the sum is 52.

The spelling of 5355133661491 in words is "five trillion, three hundred fifty-five billion, one hundred thirty-three million, six hundred sixty-one thousand, four hundred ninety-one".