61028272567 has 2 divisors, whose sum is σ = 61028272568. Its totient is φ = 61028272566.

The previous prime is 61028272549. The next prime is 61028272649. The reversal of 61028272567 is 76527282016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61028272567 - 2¹⁹ = 61027748279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61028272267) 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 as a sum of consecutive naturals, namely, 30514136283 + 30514136284.

It is an arithmetic number, because the mean of its divisors is an integer number (30514136284).

Almost surely, 2^61028272567 is an apocalyptic number.

61028272567 is a deficient number, since it is larger than the sum of its proper divisors (1).

61028272567 is an equidigital number, since it uses as much as digits as its factorization.

61028272567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 61028272567 in words is "sixty-one billion, twenty-eight million, two hundred seventy-two thousand, five hundred sixty-seven".