12553132553 has 8 divisors (see below), whose sum is σ = 14230272000. Its totient is φ = 10977637968.

The previous prime is 12553132547. The next prime is 12553132573. The reversal of 12553132553 is 35523135521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12553132553 - 2⁸ = 12553132297 is a prime.

It is a super-2 number, since 2×12553132553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553132523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25410953 + ... + 25411446.

It is an arithmetic number, because the mean of its divisors is an integer number (1778784000).

Almost surely, 2^12553132553 is an apocalyptic number.

12553132553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12553132553 is a deficient number, since it is larger than the sum of its proper divisors (1677139447).

12553132553 is a wasteful number, since it uses less digits than its factorization.

12553132553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50822431.

The product of its digits is 67500, while the sum is 35.

The spelling of 12553132553 in words is "twelve billion, five hundred fifty-three million, one hundred thirty-two thousand, five hundred fifty-three".