1551522050543 has 2 divisors, whose sum is σ = 1551522050544. Its totient is φ = 1551522050542.

The previous prime is 1551522050503. The next prime is 1551522050591. The reversal of 1551522050543 is 3450502251551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1551522050543 - 2¹⁴ = 1551522034159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1551522050497 and 1551522050506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1551522050503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775761025271 + 775761025272.

It is an arithmetic number, because the mean of its divisors is an integer number (775761025272).

Almost surely, 2^{1551522050543} is an apocalyptic number.

1551522050543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1551522050543 is an equidigital number, since it uses as much as digits as its factorization.

1551522050543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 1551522050543 in words is "one trillion, five hundred fifty-one billion, five hundred twenty-two million, fifty thousand, five hundred forty-three".