541211111 has 8 divisors (see below), whose sum is σ = 633613344. Its totient is φ = 452580480.

The previous prime is 541211107. The next prime is 541211147. The reversal of 541211111 is 111112145.

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 541211111 - 2² = 541211107 is a prime.

541211111 is a modest number, since divided by 11111 gives 5412 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 541211111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541211101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942590 + ... + 943163.

It is an arithmetic number, because the mean of its divisors is an integer number (79201668).

Almost surely, 2^541211111 is an apocalyptic number.

541211111 is a deficient number, since it is larger than the sum of its proper divisors (92402233).

541211111 is a wasteful number, since it uses less digits than its factorization.

541211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885801.

The product of its digits is 40, while the sum is 17.

The square root of 541211111 is about 23263.9444419901. The cubic root of 541211111 is about 814.9336194948.

Adding to 541211111 its reverse (111112145), we get a palindrome (652323256).

The spelling of 541211111 in words is "five hundred forty-one million, two hundred eleven thousand, one hundred eleven".