56677715605615 has 8 divisors (see below), whose sum is σ = 73245047859648. Its totient is φ = 41854313062560.

The previous prime is 56677715605543. The next prime is 56677715605633. The reversal of 56677715605615 is 51650651777665.

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

It is not a de Polignac number, because 56677715605615 - 2¹³ = 56677715597423 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 7 ways as a sum of consecutive naturals, for example, 435982427671 + ... + 435982427800.

It is an arithmetic number, because the mean of its divisors is an integer number (9155630982456).

Almost surely, 2^{56677715605615} is an apocalyptic number.

56677715605615 is a deficient number, since it is larger than the sum of its proper divisors (16567332254033).

56677715605615 is a wasteful number, since it uses less digits than its factorization.

56677715605615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871964855489.

The product of its (nonzero) digits is 277830000, while the sum is 67.

The spelling of 56677715605615 in words is "fifty-six trillion, six hundred seventy-seven billion, seven hundred fifteen million, six hundred five thousand, six hundred fifteen".