56103060613 has 4 divisors (see below), whose sum is σ = 58037648940. Its totient is φ = 54168472288.

The previous prime is 56103060551. The next prime is 56103060631. The reversal of 56103060613 is 31606030165.

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 18764068324 + 37338992289 = 136982^2 + 193233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56103060613 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 (56103060683) 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, 967294120 + ... + 967294177.

It is an arithmetic number, because the mean of its divisors is an integer number (14509412235).

Almost surely, 2^56103060613 is an apocalyptic number.

It is an amenable number.

56103060613 is a deficient number, since it is larger than the sum of its proper divisors (1934588327).

56103060613 is a wasteful number, since it uses less digits than its factorization.

56103060613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934588326.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 56103060613 its reverse (31606030165), we get a palindrome (87709090778).

The spelling of 56103060613 in words is "fifty-six billion, one hundred three million, sixty thousand, six hundred thirteen".