1533316533157 has 2 divisors, whose sum is σ = 1533316533158. Its totient is φ = 1533316533156.

The previous prime is 1533316533121. The next prime is 1533316533163. The reversal of 1533316533157 is 7513356133351.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1384938263556 + 148378269601 = 1176834^2 + 385199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1533316533157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1533316533107) 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, 766658266578 + 766658266579.

It is an arithmetic number, because the mean of its divisors is an integer number (766658266579).

Almost surely, 2^{1533316533157} is an apocalyptic number.

It is an amenable number.

1533316533157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533316533157 is an equidigital number, since it uses as much as digits as its factorization.

1533316533157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1275750, while the sum is 46.

The spelling of 1533316533157 in words is "one trillion, five hundred thirty-three billion, three hundred sixteen million, five hundred thirty-three thousand, one hundred fifty-seven".