10556551112205 has 32 divisors (see below), whose sum is σ = 19520299987200. Its totient is φ = 4771628877312.

The previous prime is 10556551112203. The next prime is 10556551112209. The reversal of 10556551112205 is 50221115565501.

It is not a de Polignac number, because 10556551112205 - 2¹ = 10556551112203 is a prime.

It is a super-2 number, since 2×10556551112205² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556551112203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564814150 + ... + 564832839.

It is an arithmetic number, because the mean of its divisors is an integer number (610009374600).

Almost surely, 2^{10556551112205} is an apocalyptic number.

10556551112205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10556551112205 is a deficient number, since it is larger than the sum of its proper divisors (8963748874995).

10556551112205 is a wasteful number, since it uses less digits than its factorization.

10556551112205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129647093.

The product of its (nonzero) digits is 75000, while the sum is 39.

Adding to 10556551112205 its reverse (50221115565501), we get a palindrome (60777666677706).

The spelling of 10556551112205 in words is "ten trillion, five hundred fifty-six billion, five hundred fifty-one million, one hundred twelve thousand, two hundred five".