1061000501101 has 4 divisors (see below), whose sum is σ = 1064040617500. Its totient is φ = 1057960384704.

The previous prime is 1061000501053. The next prime is 1061000501107. The reversal of 1061000501101 is 1011050001601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379961288100 + 681039213001 = 616410^2 + 825251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061000501101 is a prime.

It is a super-2 number, since 2×1061000501101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061000501107) 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 3 ways as a sum of consecutive naturals, for example, 1520057676 + ... + 1520058373.

It is an arithmetic number, because the mean of its divisors is an integer number (266010154375).

Almost surely, 2^{1061000501101} is an apocalyptic number.

It is an amenable number.

1061000501101 is a deficient number, since it is larger than the sum of its proper divisors (3040116399).

1061000501101 is an equidigital number, since it uses as much as digits as its factorization.

1061000501101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040116398.

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

Adding to 1061000501101 its reverse (1011050001601), we get a palindrome (2072050502702).

The spelling of 1061000501101 in words is "one trillion, sixty-one billion, five hundred one thousand, one hundred one".