61263300803 has 2 divisors, whose sum is σ = 61263300804. Its totient is φ = 61263300802.

The previous prime is 61263300793. The next prime is 61263300811. The reversal of 61263300803 is 30800336216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61263300803 - 2⁸ = 61263300547 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61263300803.

It is not a weakly prime, because it can be changed into another prime (61263300863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30631650401 + 30631650402.

It is an arithmetic number, because the mean of its divisors is an integer number (30631650402).

Almost surely, 2^61263300803 is an apocalyptic number.

61263300803 is a deficient number, since it is larger than the sum of its proper divisors (1).

61263300803 is an equidigital number, since it uses as much as digits as its factorization.

61263300803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 61263300803 in words is "sixty-one billion, two hundred sixty-three million, three hundred thousand, eight hundred three".