60911316539309 has 2 divisors, whose sum is σ = 60911316539310. Its totient is φ = 60911316539308.

The previous prime is 60911316539291. The next prime is 60911316539323. The reversal of 60911316539309 is 90393561311906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58326778016809 + 2584538522500 = 7637197^2 + 1607650^2 .

It is a cyclic number.

It is not a de Polignac number, because 60911316539309 - 2³² = 60907021572013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60911316539329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30455658269654 + 30455658269655.

It is an arithmetic number, because the mean of its divisors is an integer number (30455658269655).

Almost surely, 2^{60911316539309} is an apocalyptic number.

It is an amenable number.

60911316539309 is a deficient number, since it is larger than the sum of its proper divisors (1).

60911316539309 is an equidigital number, since it uses as much as digits as its factorization.

60911316539309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3542940, while the sum is 56.

The spelling of 60911316539309 in words is "sixty trillion, nine hundred eleven billion, three hundred sixteen million, five hundred thirty-nine thousand, three hundred nine".