1355842811 has 2 divisors, whose sum is σ = 1355842812. Its totient is φ = 1355842810.

The previous prime is 1355842777. The next prime is 1355842823. The reversal of 1355842811 is 1182485531.

It is a strong prime.

It is an emirp because it is prime and its reverse (1182485531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1355842811 - 2¹⁰ = 1355841787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1355842861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677921405 + 677921406.

It is an arithmetic number, because the mean of its divisors is an integer number (677921406).

Almost surely, 2^1355842811 is an apocalyptic number.

1355842811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355842811 is an equidigital number, since it uses as much as digits as its factorization.

1355842811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 38.

The square root of 1355842811 is about 36821.7708835412. The cubic root of 1355842811 is about 1106.8016066747.

The spelling of 1355842811 in words is "one billion, three hundred fifty-five million, eight hundred forty-two thousand, eight hundred eleven".