12498620553 has 6 divisors (see below), whose sum is σ = 18053563034. Its totient is φ = 8332413696.

The previous prime is 12498620531. The next prime is 12498620557. The reversal of 12498620553 is 35502689421.

12498620553 is a `hidden beast` number, since 1 + 2 + 4 + 98 + 6 + 2 + 0 + 553 = 666.

12498620553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10184240889 + 2314379664 = 100917^2 + 48108^2 .

It is not a de Polignac number, because 12498620553 - 2¹³ = 12498612361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12498620499 and 12498620508.

It is not an unprimeable number, because it can be changed into a prime (12498620557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694367800 + ... + 694367817.

Almost surely, 2^12498620553 is an apocalyptic number.

It is an amenable number.

12498620553 is a deficient number, since it is larger than the sum of its proper divisors (5554942481).

12498620553 is a wasteful number, since it uses less digits than its factorization.

12498620553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388735623 (or 1388735620 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 12498620553 in words is "twelve billion, four hundred ninety-eight million, six hundred twenty thousand, five hundred fifty-three".