61000665104527 has 2 divisors, whose sum is σ = 61000665104528. Its totient is φ = 61000665104526.

The previous prime is 61000665104503. The next prime is 61000665104543. The reversal of 61000665104527 is 72540156600016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61000665104527 - 2¹¹ = 61000665102479 is a prime.

It is a super-2 number, since 2×61000665104527² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61000665114527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500332552263 + 30500332552264.

It is an arithmetic number, because the mean of its divisors is an integer number (30500332552264).

Almost surely, 2^{61000665104527} is an apocalyptic number.

61000665104527 is a deficient number, since it is larger than the sum of its proper divisors (1).

61000665104527 is an equidigital number, since it uses as much as digits as its factorization.

61000665104527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 61000665104527 in words is "sixty-one trillion, six hundred sixty-five million, one hundred four thousand, five hundred twenty-seven".