56361146813 has 4 divisors (see below), whose sum is σ = 56362064640. Its totient is φ = 56360228988.

The previous prime is 56361146801. The next prime is 56361146819. The reversal of 56361146813 is 31864116365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56361146813 - 2²⁸ = 56092711357 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 (56361146819) 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, 359645 + ... + 492002.

It is an arithmetic number, because the mean of its divisors is an integer number (14090516160).

Almost surely, 2^56361146813 is an apocalyptic number.

It is an amenable number.

56361146813 is a deficient number, since it is larger than the sum of its proper divisors (917827).

56361146813 is an equidigital number, since it uses as much as digits as its factorization.

56361146813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917826.

The product of its digits is 311040, while the sum is 44.

The spelling of 56361146813 in words is "fifty-six billion, three hundred sixty-one million, one hundred forty-six thousand, eight hundred thirteen".