15620220255803 has 2 divisors, whose sum is σ = 15620220255804. Its totient is φ = 15620220255802.

The previous prime is 15620220255769. The next prime is 15620220255823. The reversal of 15620220255803 is 30855202202651.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15620220255803 - 2¹⁸ = 15620219993659 is a prime.

It is not a weakly prime, because it can be changed into another prime (15620220255823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7810110127901 + 7810110127902.

It is an arithmetic number, because the mean of its divisors is an integer number (7810110127902).

Almost surely, 2^{15620220255803} is an apocalyptic number.

15620220255803 is a deficient number, since it is larger than the sum of its proper divisors (1).

15620220255803 is an equidigital number, since it uses as much as digits as its factorization.

15620220255803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 15620220255803 in words is "fifteen trillion, six hundred twenty billion, two hundred twenty million, two hundred fifty-five thousand, eight hundred three".