6061061009581 has 2 divisors, whose sum is σ = 6061061009582. Its totient is φ = 6061061009580.

The previous prime is 6061061009561. The next prime is 6061061009617. The reversal of 6061061009581 is 1859001601606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4432565993956 + 1628495015625 = 2105366^2 + 1276125^2 .

It is a cyclic number.

It is not a de Polignac number, because 6061061009581 - 2²⁵ = 6061027455149 is a prime.

It is a super-2 number, since 2×6061061009581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6061061009561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3030530504790 + 3030530504791.

It is an arithmetic number, because the mean of its divisors is an integer number (3030530504791).

Almost surely, 2^{6061061009581} is an apocalyptic number.

It is an amenable number.

6061061009581 is a deficient number, since it is larger than the sum of its proper divisors (1).

6061061009581 is an equidigital number, since it uses as much as digits as its factorization.

6061061009581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 6061061009581 in words is "six trillion, sixty-one billion, sixty-one million, nine thousand, five hundred eighty-one".