12437145527 has 2 divisors, whose sum is σ = 12437145528. Its totient is φ = 12437145526.

The previous prime is 12437145517. The next prime is 12437145529. The reversal of 12437145527 is 72554173421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12437145527 - 2¹⁸ = 12436883383 is a prime.

It is a super-3 number, since 3×12437145527³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 12437145529, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12437145529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6218572763 + 6218572764.

It is an arithmetic number, because the mean of its divisors is an integer number (6218572764).

Almost surely, 2^12437145527 is an apocalyptic number.

12437145527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12437145527 is an equidigital number, since it uses as much as digits as its factorization.

12437145527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 41.

The spelling of 12437145527 in words is "twelve billion, four hundred thirty-seven million, one hundred forty-five thousand, five hundred twenty-seven".