1061000111105 has 8 divisors (see below), whose sum is σ = 1388945600064. Its totient is φ = 771636444400.

The previous prime is 1061000111047. The next prime is 1061000111111. The reversal of 1061000111105 is 5011110001601.

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

It is a de Polignac number, because none of the positive numbers 2^k-1061000111105 is a prime.

It is a super-2 number, since 2×1061000111105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9645455501 + ... + 9645455610.

It is an arithmetic number, because the mean of its divisors is an integer number (173618200008).

Almost surely, 2^{1061000111105} is an apocalyptic number.

It is an amenable number.

1061000111105 is a deficient number, since it is larger than the sum of its proper divisors (327945488959).

1061000111105 is a wasteful number, since it uses less digits than its factorization.

1061000111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19290911127.

The product of its (nonzero) digits is 30, while the sum is 17.

Adding to 1061000111105 its reverse (5011110001601), we get a palindrome (6072110112706).

The spelling of 1061000111105 in words is "one trillion, sixty-one billion, one hundred eleven thousand, one hundred five".