1011061105 has 8 divisors (see below), whose sum is σ = 1221417000. Its totient is φ = 803419776.

The previous prime is 1011061099. The next prime is 1011061123. The reversal of 1011061105 is 5011601101.

It can be written as a sum of positive squares in 4 ways, for example, as 129208689 + 881852416 = 11367^2 + 29696^2 .

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 1011061105 - 2⁹ = 1011060593 is a prime.

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, 677820 + ... + 679309.

It is an arithmetic number, because the mean of its divisors is an integer number (152677125).

Almost surely, 2^1011061105 is an apocalyptic number.

It is an amenable number.

1011061105 is a deficient number, since it is larger than the sum of its proper divisors (210355895).

1011061105 is a wasteful number, since it uses less digits than its factorization.

1011061105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357283.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1011061105 is about 31797.1870611222. The cubic root of 1011061105 is about 1003.6735236992.

Adding to 1011061105 its reverse (5011601101), we get a palindrome (6022662206).

The spelling of 1011061105 in words is "one billion, eleven million, sixty-one thousand, one hundred five".