1051000001105 has 32 divisors (see below), whose sum is σ = 1286408455200. Its totient is φ = 824173056000.

The previous prime is 1051000001101. The next prime is 1051000001131. The reversal of 1051000001105 is 5011000001501.

It can be written as a sum of positive squares in 16 ways, for example, as 300960862801 + 750039138304 = 548599^2 + 866048^2 .

It is not a de Polignac number, because 1051000001105 - 2² = 1051000001101 is a prime.

It is a super-2 number, since 2×1051000001105² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051000001105.

It is not an unprimeable number, because it can be changed into a prime (1051000001101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74909231 + ... + 74923259.

It is an arithmetic number, because the mean of its divisors is an integer number (40200264225).

Almost surely, 2^{1051000001105} is an apocalyptic number.

It is an amenable number.

1051000001105 is a deficient number, since it is larger than the sum of its proper divisors (235408454095).

1051000001105 is a wasteful number, since it uses less digits than its factorization.

1051000001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15605.

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 1051000001105 its reverse (5011000001501), we get a palindrome (6062000002606).

The spelling of 1051000001105 in words is "one trillion, fifty-one billion, one thousand, one hundred five".