1808051333057 has 2 divisors, whose sum is σ = 1808051333058. Its totient is φ = 1808051333056.

The previous prime is 1808051333027. The next prime is 1808051333069. The reversal of 1808051333057 is 7503331508081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795750083136 + 12301249921 = 1340056^2 + 110911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1808051333057 - 2⁶ = 1808051332993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1808051332999 and 1808051333017.

It is not a weakly prime, because it can be changed into another prime (1808051333027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 904025666528 + 904025666529.

It is an arithmetic number, because the mean of its divisors is an integer number (904025666529).

Almost surely, 2^{1808051333057} is an apocalyptic number.

It is an amenable number.

1808051333057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1808051333057 is an equidigital number, since it uses as much as digits as its factorization.

1808051333057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 1808051333057 in words is "one trillion, eight hundred eight billion, fifty-one million, three hundred thirty-three thousand, fifty-seven".