60615565954561 has 8 divisors (see below), whose sum is σ = 60989205971304. Its totient is φ = 60242193306240.

The previous prime is 60615565954501. The next prime is 60615565954571. The reversal of 60615565954561 is 16545956551606.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13578340614400 + 47037225340161 = 3684880^2 + 6858369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60615565954561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60615565954493 and 60615565954502.

It is not an unprimeable number, because it can be changed into a prime (60615565954501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66387276 + ... + 67294141.

It is an arithmetic number, because the mean of its divisors is an integer number (7623650746413).

Almost surely, 2^{60615565954561} is an apocalyptic number.

It is an amenable number.

60615565954561 is a deficient number, since it is larger than the sum of its proper divisors (373640016743).

60615565954561 is a wasteful number, since it uses less digits than its factorization.

60615565954561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133684211.

The product of its (nonzero) digits is 145800000, while the sum is 64.

The spelling of 60615565954561 in words is "sixty trillion, six hundred fifteen billion, five hundred sixty-five million, nine hundred fifty-four thousand, five hundred sixty-one".