61028127571 has 2 divisors, whose sum is σ = 61028127572. Its totient is φ = 61028127570.

The previous prime is 61028127557. The next prime is 61028127581. The reversal of 61028127571 is 17572182016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61028127571 - 2¹¹ = 61028125523 is a prime.

It is not a weakly prime, because it can be changed into another prime (61028127551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30514063785 + 30514063786.

It is an arithmetic number, because the mean of its divisors is an integer number (30514063786).

Almost surely, 2^61028127571 is an apocalyptic number.

61028127571 is a deficient number, since it is larger than the sum of its proper divisors (1).

61028127571 is an equidigital number, since it uses as much as digits as its factorization.

61028127571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 61028127571 in words is "sixty-one billion, twenty-eight million, one hundred twenty-seven thousand, five hundred seventy-one".