1550216020103 has 2 divisors, whose sum is σ = 1550216020104. Its totient is φ = 1550216020102.

The previous prime is 1550216020091. The next prime is 1550216020117. The reversal of 1550216020103 is 3010206120551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1550216020103 - 2¹⁴ = 1550216003719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1550216010103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775108010051 + 775108010052.

It is an arithmetic number, because the mean of its divisors is an integer number (775108010052).

Almost surely, 2^{1550216020103} is an apocalyptic number.

1550216020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550216020103 is an equidigital number, since it uses as much as digits as its factorization.

1550216020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 1550216020103 in words is "one trillion, five hundred fifty billion, two hundred sixteen million, twenty thousand, one hundred three".