1355828101049 has 2 divisors, whose sum is σ = 1355828101050. Its totient is φ = 1355828101048.

The previous prime is 1355828101021. The next prime is 1355828101181. The reversal of 1355828101049 is 9401018285531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1014538461049 + 341289640000 = 1007243^2 + 584200^2 .

It is an emirp because it is prime and its reverse (9401018285531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355828101049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1355828100994 and 1355828101012.

It is not a weakly prime, because it can be changed into another prime (1355828109049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677914050524 + 677914050525.

It is an arithmetic number, because the mean of its divisors is an integer number (677914050525).

Almost surely, 2^{1355828101049} is an apocalyptic number.

It is an amenable number.

1355828101049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355828101049 is an equidigital number, since it uses as much as digits as its factorization.

1355828101049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 1355828101049 in words is "one trillion, three hundred fifty-five billion, eight hundred twenty-eight million, one hundred one thousand, forty-nine".