3243111155 has 8 divisors (see below), whose sum is σ = 3974536512. Its totient is φ = 2539286848.

The previous prime is 3243111149. The next prime is 3243111167. The reversal of 3243111155 is 5511113423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3243111155 - 2²⁸ = 2974675699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900002 + ... + 6900471.

It is an arithmetic number, because the mean of its divisors is an integer number (496817064).

Almost surely, 2^3243111155 is an apocalyptic number.

3243111155 is a deficient number, since it is larger than the sum of its proper divisors (731425357).

3243111155 is a wasteful number, since it uses less digits than its factorization.

3243111155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800525.

The product of its digits is 1800, while the sum is 26.

The square root of 3243111155 is about 56948.3200366789. The cubic root of 3243111155 is about 1480.2007207374.

Adding to 3243111155 its reverse (5511113423), we get a palindrome (8754224578).

The spelling of 3243111155 in words is "three billion, two hundred forty-three million, one hundred eleven thousand, one hundred fifty-five".