61027156375223 has 2 divisors, whose sum is σ = 61027156375224. Its totient is φ = 61027156375222.

The previous prime is 61027156375193. The next prime is 61027156375291. The reversal of 61027156375223 is 32257365172016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61027156375223 - 2¹² = 61027156371127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61027156372223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30513578187611 + 30513578187612.

It is an arithmetic number, because the mean of its divisors is an integer number (30513578187612).

Almost surely, 2^{61027156375223} is an apocalyptic number.

61027156375223 is a deficient number, since it is larger than the sum of its proper divisors (1).

61027156375223 is an equidigital number, since it uses as much as digits as its factorization.

61027156375223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 61027156375223 in words is "sixty-one trillion, twenty-seven billion, one hundred fifty-six million, three hundred seventy-five thousand, two hundred twenty-three".