1061105051005 has 8 divisors (see below), whose sum is σ = 1317233856600. Its totient is φ = 819612177216.

The previous prime is 1061105051003. The next prime is 1061105051021. The reversal of 1061105051005 is 5001505011601.

It can be written as a sum of positive squares in 4 ways, for example, as 157976041444 + 903129009561 = 397462^2 + 950331^2 .

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 1061105051005 - 2¹ = 1061105051003 is a prime.

It is a super-2 number, since 2×1061105051005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061105051003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658982790 + ... + 3658983079.

It is an arithmetic number, because the mean of its divisors is an integer number (164654232075).

Almost surely, 2^{1061105051005} is an apocalyptic number.

It is an amenable number.

1061105051005 is a deficient number, since it is larger than the sum of its proper divisors (256128805595).

1061105051005 is an equidigital number, since it uses as much as digits as its factorization.

1061105051005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317965903.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1061105051005 in words is "one trillion, sixty-one billion, one hundred five million, fifty-one thousand, five".