10555505511 has 4 divisors (see below), whose sum is σ = 14074007352. Its totient is φ = 7037003672.

The previous prime is 10555505509. The next prime is 10555505533. The reversal of 10555505511 is 11550555501.

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

It is a cyclic number.

It is not a de Polignac number, because 10555505511 - 2¹ = 10555505509 is a prime.

It is a super-2 number, since 2×10555505511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555505501) 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, 1759250916 + ... + 1759250921.

It is an arithmetic number, because the mean of its divisors is an integer number (3518501838).

Almost surely, 2^10555505511 is an apocalyptic number.

10555505511 is a deficient number, since it is larger than the sum of its proper divisors (3518501841).

10555505511 is an equidigital number, since it uses as much as digits as its factorization.

10555505511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3518501840.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 10555505511 in words is "ten billion, five hundred fifty-five million, five hundred five thousand, five hundred eleven".