10543556126 has 4 divisors (see below), whose sum is σ = 15815334192. Its totient is φ = 5271778062.

The previous prime is 10543556123. The next prime is 10543556159. The reversal of 10543556126 is 62165534501.

10543556126 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10543556126² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10543556126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10543556123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635889030 + ... + 2635889033.

It is an arithmetic number, because the mean of its divisors is an integer number (3953833548).

Almost surely, 2^10543556126 is an apocalyptic number.

10543556126 is a deficient number, since it is larger than the sum of its proper divisors (5271778066).

10543556126 is an equidigital number, since it uses as much as digits as its factorization.

10543556126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271778065.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 10543556126 in words is "ten billion, five hundred forty-three million, five hundred fifty-six thousand, one hundred twenty-six".