60647281111 has 2 divisors, whose sum is σ = 60647281112. Its totient is φ = 60647281110.

The previous prime is 60647281109. The next prime is 60647281147. The reversal of 60647281111 is 11118274606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60647281111 - 2¹ = 60647281109 is a prime.

Together with 60647281109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60647281171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30323640555 + 30323640556.

It is an arithmetic number, because the mean of its divisors is an integer number (30323640556).

Almost surely, 2^60647281111 is an apocalyptic number.

60647281111 is a deficient number, since it is larger than the sum of its proper divisors (1).

60647281111 is an equidigital number, since it uses as much as digits as its factorization.

60647281111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 60647281111 in words is "sixty billion, six hundred forty-seven million, two hundred eighty-one thousand, one hundred eleven".