1061060561003 has 4 divisors (see below), whose sum is σ = 1097648856240. Its totient is φ = 1024472265768.

The previous prime is 1061060560993. The next prime is 1061060561051. The reversal of 1061060561003 is 3001650601601.

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

It is a cyclic number.

It is not a de Polignac number, because 1061060561003 - 2¹⁴ = 1061060544619 is a prime.

It is a super-2 number, since 2×1061060561003² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 36588295207 = 1061060561003 / (1 + 0 + 6 + 1 + 0 + 6 + 0 + 5 + 6 + 1 + 0 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (1061060561303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18294147575 + ... + 18294147632.

It is an arithmetic number, because the mean of its divisors is an integer number (274412214060).

Almost surely, 2^{1061060561003} is an apocalyptic number.

1061060561003 is a deficient number, since it is larger than the sum of its proper divisors (36588295237).

1061060561003 is an equidigital number, since it uses as much as digits as its factorization.

1061060561003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36588295236.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 1061060561003 in words is "one trillion, sixty-one billion, sixty million, five hundred sixty-one thousand, three".