12553020851 has 6 divisors (see below), whose sum is σ = 14602493700. Its totient is φ = 10759732116.

The previous prime is 12553020769. The next prime is 12553020853. The reversal of 12553020851 is 15802035521.

It is a de Polignac number, because none of the positive numbers 2^k-12553020851 is a prime.

It is a super-3 number, since 3×12553020851³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12553020853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128092001 + ... + 128092098.

It is an arithmetic number, because the mean of its divisors is an integer number (2433748950).

Almost surely, 2^12553020851 is an apocalyptic number.

12553020851 is a deficient number, since it is larger than the sum of its proper divisors (2049472849).

12553020851 is an equidigital number, since it uses as much as digits as its factorization.

12553020851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256184113 (or 256184106 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 12553020851 in words is "twelve billion, five hundred fifty-three million, twenty thousand, eight hundred fifty-one".