1061100100601 has 4 divisors (see below), whose sum is σ = 1070490367092. Its totient is φ = 1051709834112.

The previous prime is 1061100100561. The next prime is 1061100100607. The reversal of 1061100100601 is 1060010011601.

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 264545635600 + 796554465001 = 514340^2 + 892499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061100100601 - 2¹⁴ = 1061100084217 is a prime.

It is a super-2 number, since 2×1061100100601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 1061100100601.

It is not an unprimeable number, because it can be changed into a prime (1061100100607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4695133076 + ... + 4695133301.

It is an arithmetic number, because the mean of its divisors is an integer number (267622591773).

Almost surely, 2^{1061100100601} is an apocalyptic number.

It is an amenable number.

1061100100601 is a deficient number, since it is larger than the sum of its proper divisors (9390266491).

1061100100601 is an equidigital number, since it uses as much as digits as its factorization.

1061100100601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9390266490.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1061100100601 in words is "one trillion, sixty-one billion, one hundred million, one hundred thousand, six hundred one".