1551201406103 has 2 divisors, whose sum is σ = 1551201406104. Its totient is φ = 1551201406102.

The previous prime is 1551201406057. The next prime is 1551201406141. The reversal of 1551201406103 is 3016041021551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1551201406103 - 2¹⁶ = 1551201340567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551201409103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775600703051 + 775600703052.

It is an arithmetic number, because the mean of its divisors is an integer number (775600703052).

Almost surely, 2^{1551201406103} is an apocalyptic number.

1551201406103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551201406103 is an equidigital number, since it uses as much as digits as its factorization.

1551201406103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1551201406103 its reverse (3016041021551), we get a palindrome (4567242427654).

The spelling of 1551201406103 in words is "one trillion, five hundred fifty-one billion, two hundred one million, four hundred six thousand, one hundred three".