1355002111 has 4 divisors (see below), whose sum is σ = 1386513832. Its totient is φ = 1323490392.

The previous prime is 1355002109. The next prime is 1355002133. The reversal of 1355002111 is 1112005531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1355002111 - 2¹ = 1355002109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355002511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15755796 + ... + 15755881.

It is an arithmetic number, because the mean of its divisors is an integer number (346628458).

Almost surely, 2^1355002111 is an apocalyptic number.

1355002111 is a deficient number, since it is larger than the sum of its proper divisors (31511721).

1355002111 is an equidigital number, since it uses as much as digits as its factorization.

1355002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31511720.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1355002111 is about 36810.3533126212. The cubic root of 1355002111 is about 1106.5727993016.

Adding to 1355002111 its reverse (1112005531), we get a palindrome (2467007642).

The spelling of 1355002111 in words is "one billion, three hundred fifty-five million, two thousand, one hundred eleven".