1055331011533 has 2 divisors, whose sum is σ = 1055331011534. Its totient is φ = 1055331011532.

The previous prime is 1055331011489. The next prime is 1055331011543. The reversal of 1055331011533 is 3351101335501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1055330907849 + 103684 = 1027293^2 + 322^2 .

It is an emirp because it is prime and its reverse (3351101335501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055331011533 is a prime.

It is a super-2 number, since 2×1055331011533² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1055331011495 and 1055331011504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055331011543) 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, 527665505766 + 527665505767.

It is an arithmetic number, because the mean of its divisors is an integer number (527665505767).

Almost surely, 2^{1055331011533} is an apocalyptic number.

It is an amenable number.

1055331011533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055331011533 is an equidigital number, since it uses as much as digits as its factorization.

1055331011533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 31.

The spelling of 1055331011533 in words is "one trillion, fifty-five billion, three hundred thirty-one million, eleven thousand, five hundred thirty-three".