12188587553 has 2 divisors, whose sum is σ = 12188587554. Its totient is φ = 12188587552.

The previous prime is 12188587507. The next prime is 12188587589. The reversal of 12188587553 is 35578588121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9446284864 + 2742302689 = 97192^2 + 52367^2 .

It is a cyclic number.

It is not a de Polignac number, because 12188587553 - 2¹² = 12188583457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12188587495 and 12188587504.

It is not a weakly prime, because it can be changed into another prime (12188587753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6094293776 + 6094293777.

It is an arithmetic number, because the mean of its divisors is an integer number (6094293777).

Almost surely, 2^12188587553 is an apocalyptic number.

It is an amenable number.

12188587553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12188587553 is an equidigital number, since it uses as much as digits as its factorization.

12188587553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688000, while the sum is 53.

The spelling of 12188587553 in words is "twelve billion, one hundred eighty-eight million, five hundred eighty-seven thousand, five hundred fifty-three".