27531426145037 has 2 divisors, whose sum is σ = 27531426145038. Its totient is φ = 27531426145036.

The previous prime is 27531426145031. The next prime is 27531426145063. The reversal of 27531426145037 is 73054162413572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27185941992196 + 345484152841 = 5214014^2 + 587779^2 .

It is a cyclic number.

It is not a de Polignac number, because 27531426145037 - 2⁴ = 27531426145021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27531426145031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765713072518 + 13765713072519.

It is an arithmetic number, because the mean of its divisors is an integer number (13765713072519).

Almost surely, 2^{27531426145037} is an apocalyptic number.

It is an amenable number.

27531426145037 is a deficient number, since it is larger than the sum of its proper divisors (1).

27531426145037 is an equidigital number, since it uses as much as digits as its factorization.

27531426145037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 27531426145037 in words is "twenty-seven trillion, five hundred thirty-one billion, four hundred twenty-six million, one hundred forty-five thousand, thirty-seven".