5543121464537 has 2 divisors, whose sum is σ = 5543121464538. Its totient is φ = 5543121464536.

The previous prime is 5543121464509. The next prime is 5543121464581. The reversal of 5543121464537 is 7354641213455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4849667222416 + 693454242121 = 2202196^2 + 832739^2 .

It is a cyclic number.

It is not a de Polignac number, because 5543121464537 - 2¹⁴ = 5543121448153 is a prime.

It is a super-2 number, since 2×5543121464537² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5543121464737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771560732268 + 2771560732269.

It is an arithmetic number, because the mean of its divisors is an integer number (2771560732269).

Almost surely, 2^{5543121464537} is an apocalyptic number.

It is an amenable number.

5543121464537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543121464537 is an equidigital number, since it uses as much as digits as its factorization.

5543121464537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048000, while the sum is 50.

The spelling of 5543121464537 in words is "five trillion, five hundred forty-three billion, one hundred twenty-one million, four hundred sixty-four thousand, five hundred thirty-seven".