12637505553 has 8 divisors (see below), whose sum is σ = 17167932288. Its totient is φ = 8266041264.

The previous prime is 12637505533. The next prime is 12637505557. The reversal of 12637505553 is 35550573621.

It is a happy number.

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

It is not a de Polignac number, because 12637505553 - 2⁸ = 12637505297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12637505557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39740425 + ... + 39740742.

It is an arithmetic number, because the mean of its divisors is an integer number (2145991536).

Almost surely, 2^12637505553 is an apocalyptic number.

It is an amenable number.

12637505553 is a deficient number, since it is larger than the sum of its proper divisors (4530426735).

12637505553 is an equidigital number, since it uses as much as digits as its factorization.

12637505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79481223.

The product of its (nonzero) digits is 472500, while the sum is 42.

The spelling of 12637505553 in words is "twelve billion, six hundred thirty-seven million, five hundred five thousand, five hundred fifty-three".