56101516050605 has 4 divisors (see below), whose sum is σ = 67321819260732. Its totient is φ = 44881212840480.

The previous prime is 56101516050581. The next prime is 56101516050607. The reversal of 56101516050605 is 50605061510165.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30742345198084 + 25359170852521 = 5544578^2 + 5035789^2 .

It is not a de Polignac number, because 56101516050605 - 2¹⁰ = 56101516049581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56101516050607) 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, 5610151605056 + ... + 5610151605065.

It is an arithmetic number, because the mean of its divisors is an integer number (16830454815183).

Almost surely, 2^{56101516050605} is an apocalyptic number.

It is an amenable number.

56101516050605 is a deficient number, since it is larger than the sum of its proper divisors (11220303210127).

56101516050605 is a wasteful number, since it uses less digits than its factorization.

56101516050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11220303210126.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 56101516050605 in words is "fifty-six trillion, one hundred one billion, five hundred sixteen million, fifty thousand, six hundred five".