406211606043511 has 4 divisors (see below), whose sum is σ = 412870812700024. Its totient is φ = 399552399387000.

The previous prime is 406211606043499. The next prime is 406211606043553. The reversal of 406211606043511 is 115340606112604.

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 406211606043511 - 2¹¹ = 406211606041463 is a prime.

It is a super-3 number, since 3×406211606043511³ (a number of 45 digits) contains 333 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 (406211606043611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329603328165 + ... + 3329603328286.

It is an arithmetic number, because the mean of its divisors is an integer number (103217703175006).

Almost surely, 2^{406211606043511} is an apocalyptic number.

406211606043511 is a deficient number, since it is larger than the sum of its proper divisors (6659206656513).

406211606043511 is an equidigital number, since it uses as much as digits as its factorization.

406211606043511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6659206656512.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 406211606043511 in words is "four hundred six trillion, two hundred eleven billion, six hundred six million, forty-three thousand, five hundred eleven".