12553153432 has 8 divisors (see below), whose sum is σ = 23537162700. Its totient is φ = 6276576712.

The previous prime is 12553153397. The next prime is 12553153477. The reversal of 12553153432 is 23435135521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12553153432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784572082 + ... + 784572097.

Almost surely, 2^12553153432 is an apocalyptic number.

It is an amenable number.

12553153432 is a deficient number, since it is larger than the sum of its proper divisors (10984009268).

12553153432 is a wasteful number, since it uses less digits than its factorization.

12553153432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569144185 (or 1569144181 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

Adding to 12553153432 its reverse (23435135521), we get a palindrome (35988288953).

The spelling of 12553153432 in words is "twelve billion, five hundred fifty-three million, one hundred fifty-three thousand, four hundred thirty-two".