12610555427 has 2 divisors, whose sum is σ = 12610555428. Its totient is φ = 12610555426.

The previous prime is 12610555411. The next prime is 12610555453. The reversal of 12610555427 is 72455501621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12610555427 - 2⁴ = 12610555411 is a prime.

It is a super-2 number, since 2×12610555427² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12610555457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305277713 + 6305277714.

It is an arithmetic number, because the mean of its divisors is an integer number (6305277714).

Almost surely, 2^12610555427 is an apocalyptic number.

12610555427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12610555427 is an equidigital number, since it uses as much as digits as its factorization.

12610555427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 12610555427 in words is "twelve billion, six hundred ten million, five hundred fifty-five thousand, four hundred twenty-seven".