60211526981 has 2 divisors, whose sum is σ = 60211526982. Its totient is φ = 60211526980.

The previous prime is 60211526917. The next prime is 60211526983. The reversal of 60211526981 is 18962511206.

60211526981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40749881956 + 19461645025 = 201866^2 + 139505^2 .

It is a cyclic number.

It is not a de Polignac number, because 60211526981 - 2⁶ = 60211526917 is a prime.

It is a super-2 number, since 2×60211526981² (a number of 22 digits) contains 22 as substring.

Together with 60211526983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60211526983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30105763490 + 30105763491.

It is an arithmetic number, because the mean of its divisors is an integer number (30105763491).

Almost surely, 2^60211526981 is an apocalyptic number.

It is an amenable number.

60211526981 is a deficient number, since it is larger than the sum of its proper divisors (1).

60211526981 is an equidigital number, since it uses as much as digits as its factorization.

60211526981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 60211526981 in words is "sixty billion, two hundred eleven million, five hundred twenty-six thousand, nine hundred eighty-one".