12355333355377 has 2 divisors, whose sum is σ = 12355333355378. Its totient is φ = 12355333355376.

The previous prime is 12355333355311. The next prime is 12355333355441. The reversal of 12355333355377 is 77355333355321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10989331080256 + 1366002275121 = 3315016^2 + 1168761^2 .

It is a cyclic number.

It is not a de Polignac number, because 12355333355377 - 2¹⁹ = 12355332831089 is a prime.

It is not a weakly prime, because it can be changed into another prime (12355333355977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177666677688 + 6177666677689.

It is an arithmetic number, because the mean of its divisors is an integer number (6177666677689).

Almost surely, 2^{12355333355377} is an apocalyptic number.

It is an amenable number.

12355333355377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355333355377 is an equidigital number, since it uses as much as digits as its factorization.

12355333355377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44651250, while the sum is 55.

The spelling of 12355333355377 in words is "twelve trillion, three hundred fifty-five billion, three hundred thirty-three million, three hundred fifty-five thousand, three hundred seventy-seven".