10611553543 has 2 divisors, whose sum is σ = 10611553544. Its totient is φ = 10611553542.

The previous prime is 10611553529. The next prime is 10611553607. The reversal of 10611553543 is 34535511601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10611553543 - 2⁹ = 10611553031 is a prime.

It is a super-2 number, since 2×10611553543² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10611553499 and 10611553508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10611554543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305776771 + 5305776772.

It is an arithmetic number, because the mean of its divisors is an integer number (5305776772).

Almost surely, 2^10611553543 is an apocalyptic number.

10611553543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10611553543 is an equidigital number, since it uses as much as digits as its factorization.

10611553543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 10611553543 in words is "ten billion, six hundred eleven million, five hundred fifty-three thousand, five hundred forty-three".