56803551361 has 2 divisors, whose sum is σ = 56803551362. Its totient is φ = 56803551360.

The previous prime is 56803551331. The next prime is 56803551523. The reversal of 56803551361 is 16315530865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56216410000 + 587141361 = 237100^2 + 24231^2 .

It is a cyclic number.

It is not a de Polignac number, because 56803551361 - 2¹³ = 56803543169 is a prime.

It is a super-3 number, since 3×56803551361³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (56803551331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28401775680 + 28401775681.

It is an arithmetic number, because the mean of its divisors is an integer number (28401775681).

Almost surely, 2^56803551361 is an apocalyptic number.

It is an amenable number.

56803551361 is a deficient number, since it is larger than the sum of its proper divisors (1).

56803551361 is an equidigital number, since it uses as much as digits as its factorization.

56803551361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 56803551361 in words is "fifty-six billion, eight hundred three million, five hundred fifty-one thousand, three hundred sixty-one".