60211525981 has 2 divisors, whose sum is σ = 60211525982. Its totient is φ = 60211525980.

The previous prime is 60211525919. The next prime is 60211526027. The reversal of 60211525981 is 18952511206.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44916020356 + 15295505625 = 211934^2 + 123675^2 .

It is a cyclic number.

It is not a de Polignac number, because 60211525981 - 2¹³ = 60211517789 is a prime.

It is a super-2 number, since 2×60211525981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60211526981) 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, 30105762990 + 30105762991.

It is an arithmetic number, because the mean of its divisors is an integer number (30105762991).

Almost surely, 2^60211525981 is an apocalyptic number.

It is an amenable number.

60211525981 is a deficient number, since it is larger than the sum of its proper divisors (1).

60211525981 is an equidigital number, since it uses as much as digits as its factorization.

60211525981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 40.

The spelling of 60211525981 in words is "sixty billion, two hundred eleven million, five hundred twenty-five thousand, nine hundred eighty-one".