409111020210111 has 16 divisors (see below), whose sum is σ = 547358205270240. Its totient is φ = 271802309121920.

The previous prime is 409111020210097. The next prime is 409111020210121. The reversal of 409111020210111 is 111012020111904.

It is a cyclic number.

It is not a de Polignac number, because 409111020210111 - 2³⁸ = 408836142303167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409111020210121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25464121 + ... + 38296781.

It is an arithmetic number, because the mean of its divisors is an integer number (34209887829390).

Almost surely, 2^{409111020210111} is an apocalyptic number.

409111020210111 is a deficient number, since it is larger than the sum of its proper divisors (138247185060129).

409111020210111 is a wasteful number, since it uses less digits than its factorization.

409111020210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869226.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 409111020210111 in words is "four hundred nine trillion, one hundred eleven billion, twenty million, two hundred ten thousand, one hundred eleven".