10555555556 has 48 divisors (see below), whose sum is σ = 22866595584. Its totient is φ = 4151661696.

The previous prime is 10555555553. The next prime is 10555555559. The reversal of 10555555556 is 65555555501.

It is an interprime number because it is at equal distance from previous prime (10555555553) and next prime (10555555559).

It is a super-2 number, since 2×10555555556² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10555555556.

It is not an unprimeable number, because it can be changed into a prime (10555555553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20840 + ... + 146783.

It is an arithmetic number, because the mean of its divisors is an integer number (476387408).

Almost surely, 2^10555555556 is an apocalyptic number.

It is an amenable number.

10555555556 is an abundant number, since it is smaller than the sum of its proper divisors (12311040028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10555555556 is a wasteful number, since it uses less digits than its factorization.

10555555556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167820 (or 167818 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 47.

Subtracting 10555555556 from its reverse (65555555501), we obtain a palindrome (54999999945).

The spelling of 10555555556 in words is "ten billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-six".