12555628810 has 16 divisors (see below), whose sum is σ = 22606581600. Its totient is φ = 5020818256.

The previous prime is 12555628801. The next prime is 12555628819. The reversal of 12555628810 is 1882655521.

It is an interprime number because it is at equal distance from previous prime (12555628801) and next prime (12555628819).

It is a super-2 number, since 2×12555628810² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12555628819) 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, 142000 + ... + 212779.

It is an arithmetic number, because the mean of its divisors is an integer number (1412911350).

Almost surely, 2^12555628810 is an apocalyptic number.

12555628810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12555628810 is a deficient number, since it is larger than the sum of its proper divisors (10050952790).

12555628810 is a wasteful number, since it uses less digits than its factorization.

12555628810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358325.

The product of its (nonzero) digits is 192000, while the sum is 43.

The spelling of 12555628810 in words is "twelve billion, five hundred fifty-five million, six hundred twenty-eight thousand, eight hundred ten".