60911316572081 has 2 divisors, whose sum is σ = 60911316572082. Its totient is φ = 60911316572080.

The previous prime is 60911316572077. The next prime is 60911316572101. The reversal of 60911316572081 is 18027561311906.

60911316572081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40057709341456 + 20853607230625 = 6329116^2 + 4566575^2 .

It is a cyclic number.

It is not a de Polignac number, because 60911316572081 - 2² = 60911316572077 is a prime.

It is a super-2 number, since 2×60911316572081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60911316572681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30455658286040 + 30455658286041.

It is an arithmetic number, because the mean of its divisors is an integer number (30455658286041).

Almost surely, 2^{60911316572081} is an apocalyptic number.

It is an amenable number.

60911316572081 is a deficient number, since it is larger than the sum of its proper divisors (1).

60911316572081 is an equidigital number, since it uses as much as digits as its factorization.

60911316572081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

Adding to 60911316572081 its reverse (18027561311906), we get a palindrome (78938877883987).

The spelling of 60911316572081 in words is "sixty trillion, nine hundred eleven billion, three hundred sixteen million, five hundred seventy-two thousand, eighty-one".