5237530556081 has 2 divisors, whose sum is σ = 5237530556082. Its totient is φ = 5237530556080.

The previous prime is 5237530556051. The next prime is 5237530556101. The reversal of 5237530556081 is 1806550357325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5236962210481 + 568345600 = 2288441^2 + 23840^2 .

It is a cyclic number.

It is not a de Polignac number, because 5237530556081 - 2¹⁴ = 5237530539697 is a prime.

It is a super-2 number, since 2×5237530556081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5237530556051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2618765278040 + 2618765278041.

It is an arithmetic number, because the mean of its divisors is an integer number (2618765278041).

Almost surely, 2^{5237530556081} is an apocalyptic number.

It is an amenable number.

5237530556081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5237530556081 is an equidigital number, since it uses as much as digits as its factorization.

5237530556081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 5237530556081 in words is "five trillion, two hundred thirty-seven billion, five hundred thirty million, five hundred fifty-six thousand, eighty-one".