60547915097561 has 2 divisors, whose sum is σ = 60547915097562. Its totient is φ = 60547915097560.

The previous prime is 60547915097521. The next prime is 60547915097587. The reversal of 60547915097561 is 16579051974506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35821721265625 + 24726193831936 = 5985125^2 + 4972544^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60547915097561 is a prime.

It is a super-2 number, since 2×60547915097561² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60547915097521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30273957548780 + 30273957548781.

It is an arithmetic number, because the mean of its divisors is an integer number (30273957548781).

Almost surely, 2^{60547915097561} is an apocalyptic number.

It is an amenable number.

60547915097561 is a deficient number, since it is larger than the sum of its proper divisors (1).

60547915097561 is an equidigital number, since it uses as much as digits as its factorization.

60547915097561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442000, while the sum is 65.

The spelling of 60547915097561 in words is "sixty trillion, five hundred forty-seven billion, nine hundred fifteen million, ninety-seven thousand, five hundred sixty-one".