3381561111 has 8 divisors (see below), whose sum is σ = 4516993024. Its totient is φ = 2250251640.

The previous prime is 3381561107. The next prime is 3381561143. The reversal of 3381561111 is 1111651833.

3381561111 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3381561111 - 2² = 3381561107 is a prime.

It is a super-2 number, since 2×3381561111² = 22869911094855108642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381561101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028695 + ... + 1031976.

It is an arithmetic number, because the mean of its divisors is an integer number (564624128).

Almost surely, 2^3381561111 is an apocalyptic number.

3381561111 is a deficient number, since it is larger than the sum of its proper divisors (1135431913).

3381561111 is a wasteful number, since it uses less digits than its factorization.

3381561111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061221.

The product of its digits is 2160, while the sum is 30.

The square root of 3381561111 is about 58151.1918278551. The cubic root of 3381561111 is about 1500.9713872465.

The spelling of 3381561111 in words is "three billion, three hundred eighty-one million, five hundred sixty-one thousand, one hundred eleven".