10555655543 has 4 divisors (see below), whose sum is σ = 10571970960. Its totient is φ = 10539340128.

The previous prime is 10555655531. The next prime is 10555655557. The reversal of 10555655543 is 34555655501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10555655543 is a prime.

It is a super-2 number, since 2×10555655543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10555655494 and 10555655503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555655573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8156738 + ... + 8158031.

It is an arithmetic number, because the mean of its divisors is an integer number (2642992740).

Almost surely, 2^10555655543 is an apocalyptic number.

10555655543 is a deficient number, since it is larger than the sum of its proper divisors (16315417).

10555655543 is an equidigital number, since it uses as much as digits as its factorization.

10555655543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16315416.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 10555655543 in words is "ten billion, five hundred fifty-five million, six hundred fifty-five thousand, five hundred forty-three".