105000666111 has 12 divisors (see below), whose sum is σ = 165455595240. Its totient is φ = 63636767280.

The previous prime is 105000666101. The next prime is 105000666167. The reversal of 105000666111 is 111666000501.

It is not a de Polignac number, because 105000666111 - 2²² = 104996471807 is a prime.

It is a super-2 number, since 2×105000666111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105000666101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530306296 + ... + 530306493.

It is an arithmetic number, because the mean of its divisors is an integer number (13787966270).

Almost surely, 2^105000666111 is an apocalyptic number.

105000666111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105000666111 is a deficient number, since it is larger than the sum of its proper divisors (60454929129).

105000666111 is a wasteful number, since it uses less digits than its factorization.

105000666111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060612806 (or 1060612803 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 105000666111 its reverse (111666000501), we get a palindrome (216666666612).

The spelling of 105000666111 in words is "one hundred five billion, six hundred sixty-six thousand, one hundred eleven".