61027328101 has 2 divisors, whose sum is σ = 61027328102. Its totient is φ = 61027328100.

The previous prime is 61027328053. The next prime is 61027328107. The reversal of 61027328101 is 10182372016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54196305601 + 6831022500 = 232801^2 + 82650^2 .

It is a cyclic number.

It is not a de Polignac number, because 61027328101 - 2¹³ = 61027319909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61027328107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513664050 + 30513664051.

It is an arithmetic number, because the mean of its divisors is an integer number (30513664051).

Almost surely, 2^61027328101 is an apocalyptic number.

It is an amenable number.

61027328101 is a deficient number, since it is larger than the sum of its proper divisors (1).

61027328101 is an equidigital number, since it uses as much as digits as its factorization.

61027328101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 61027328101 in words is "sixty-one billion, twenty-seven million, three hundred twenty-eight thousand, one hundred one".