60615051106655 has 4 divisors (see below), whose sum is σ = 72738061327992. Its totient is φ = 48492040885320.

The previous prime is 60615051106637. The next prime is 60615051106667. The reversal of 60615051106655 is 55660115051606.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-60615051106655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061505110661 + ... + 6061505110670.

It is an arithmetic number, because the mean of its divisors is an integer number (18184515331998).

Almost surely, 2^{60615051106655} is an apocalyptic number.

60615051106655 is a deficient number, since it is larger than the sum of its proper divisors (12123010221337).

60615051106655 is a wasteful number, since it uses less digits than its factorization.

60615051106655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12123010221336.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 60615051106655 in words is "sixty trillion, six hundred fifteen billion, fifty-one million, one hundred six thousand, six hundred fifty-five".