60660611015561 has 8 divisors (see below), whose sum is σ = 61318866240000. Its totient is φ = 60005904337360.

The previous prime is 60660611015533. The next prime is 60660611015591. The reversal of 60660611015561 is 16551011606606.

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

It is a cyclic number.

It is not a de Polignac number, because 60660611015561 - 2⁴² = 56262564504457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60660611015591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887102186 + ... + 887170563.

It is an arithmetic number, because the mean of its divisors is an integer number (7664858280000).

Almost surely, 2^{60660611015561} is an apocalyptic number.

It is an amenable number.

60660611015561 is a deficient number, since it is larger than the sum of its proper divisors (658255224439).

60660611015561 is a wasteful number, since it uses less digits than its factorization.

60660611015561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774273119.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 60660611015561 in words is "sixty trillion, six hundred sixty billion, six hundred eleven million, fifteen thousand, five hundred sixty-one".