60981247771 has 2 divisors, whose sum is σ = 60981247772. Its totient is φ = 60981247770.

The previous prime is 60981247697. The next prime is 60981247813. The reversal of 60981247771 is 17774218906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60981247771 - 2²⁷ = 60847030043 is a prime.

It is not a weakly prime, because it can be changed into another prime (60981245771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30490623885 + 30490623886.

It is an arithmetic number, because the mean of its divisors is an integer number (30490623886).

Almost surely, 2^60981247771 is an apocalyptic number.

60981247771 is a deficient number, since it is larger than the sum of its proper divisors (1).

60981247771 is an equidigital number, since it uses as much as digits as its factorization.

60981247771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 60981247771 in words is "sixty billion, nine hundred eighty-one million, two hundred forty-seven thousand, seven hundred seventy-one".