56147835220187 has 2 divisors, whose sum is σ = 56147835220188. Its totient is φ = 56147835220186.

The previous prime is 56147835220181. The next prime is 56147835220207. The reversal of 56147835220187 is 78102253874165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56147835220187 - 2¹⁸ = 56147834958043 is a prime.

It is not a weakly prime, because it can be changed into another prime (56147835220181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28073917610093 + 28073917610094.

It is an arithmetic number, because the mean of its divisors is an integer number (28073917610094).

Almost surely, 2^{56147835220187} is an apocalyptic number.

56147835220187 is a deficient number, since it is larger than the sum of its proper divisors (1).

56147835220187 is an equidigital number, since it uses as much as digits as its factorization.

56147835220187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 56147835220187 in words is "fifty-six trillion, one hundred forty-seven billion, eight hundred thirty-five million, two hundred twenty thousand, one hundred eighty-seven".