56671205561371 has 8 divisors (see below), whose sum is σ = 58417882214400. Its totient is φ = 54947066671848.

The previous prime is 56671205561303. The next prime is 56671205561381. The reversal of 56671205561371 is 17316550217665.

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 56671205561371 - 2²³ = 56671197172763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56671205561381) 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, 5634435771 + ... + 5634445828.

It is an arithmetic number, because the mean of its divisors is an integer number (7302235276800).

Almost surely, 2^{56671205561371} is an apocalyptic number.

56671205561371 is a deficient number, since it is larger than the sum of its proper divisors (1746676653029).

56671205561371 is a wasteful number, since it uses less digits than its factorization.

56671205561371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11268881753.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 56671205561371 in words is "fifty-six trillion, six hundred seventy-one billion, two hundred five million, five hundred sixty-one thousand, three hundred seventy-one".