10611553559 has 4 divisors (see below), whose sum is σ = 10618681680. Its totient is φ = 10604425440.

The previous prime is 10611553543. The next prime is 10611553607. The reversal of 10611553559 is 95535511601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95535511601 = 11393 ⋅8385457.

It is a cyclic number.

It is not a de Polignac number, because 10611553559 - 2⁴ = 10611553543 is a prime.

It is a super-2 number, since 2×10611553559² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10611553529) 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, 3561827 + ... + 3564804.

It is an arithmetic number, because the mean of its divisors is an integer number (2654670420).

Almost surely, 2^10611553559 is an apocalyptic number.

10611553559 is a deficient number, since it is larger than the sum of its proper divisors (7128121).

10611553559 is an equidigital number, since it uses as much as digits as its factorization.

10611553559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128120.

The product of its (nonzero) digits is 101250, while the sum is 41.

The spelling of 10611553559 in words is "ten billion, six hundred eleven million, five hundred fifty-three thousand, five hundred fifty-nine".