56671250705311 has 4 divisors (see below), whose sum is σ = 61823182587624. Its totient is φ = 51519318823000.

The previous prime is 56671250705297. The next prime is 56671250705417. The reversal of 56671250705311 is 11350705217665.

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

It is a cyclic number.

It is not a de Polignac number, because 56671250705311 - 2⁷ = 56671250705183 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56671250705711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575965941140 + ... + 2575965941161.

It is an arithmetic number, because the mean of its divisors is an integer number (15455795646906).

Almost surely, 2^{56671250705311} is an apocalyptic number.

56671250705311 is a deficient number, since it is larger than the sum of its proper divisors (5151931882313).

56671250705311 is a wasteful number, since it uses less digits than its factorization.

56671250705311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151931882312.

The product of its (nonzero) digits is 1323000, while the sum is 49.

The spelling of 56671250705311 in words is "fifty-six trillion, six hundred seventy-one billion, two hundred fifty million, seven hundred five thousand, three hundred eleven".