1355503218907 has 2 divisors, whose sum is σ = 1355503218908. Its totient is φ = 1355503218906.

The previous prime is 1355503218833. The next prime is 1355503218917. The reversal of 1355503218907 is 7098123055531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355503218907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355503218917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677751609453 + 677751609454.

It is an arithmetic number, because the mean of its divisors is an integer number (677751609454).

Almost surely, 2^{1355503218907} is an apocalyptic number.

1355503218907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355503218907 is an equidigital number, since it uses as much as digits as its factorization.

1355503218907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 1355503218907 in words is "one trillion, three hundred fifty-five billion, five hundred three million, two hundred eighteen thousand, nine hundred seven".