10555132505 has 4 divisors (see below), whose sum is σ = 12666159012. Its totient is φ = 8444106000.

The previous prime is 10555132501. The next prime is 10555132513. The reversal of 10555132505 is 50523155501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7570914121 + 2984218384 = 87011^2 + 54628^2 .

It is not a de Polignac number, because 10555132505 - 2² = 10555132501 is a prime.

It is a super-2 number, since 2×10555132505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10555132501) 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, 1055513246 + ... + 1055513255.

It is an arithmetic number, because the mean of its divisors is an integer number (3166539753).

Almost surely, 2^10555132505 is an apocalyptic number.

It is an amenable number.

10555132505 is a deficient number, since it is larger than the sum of its proper divisors (2111026507).

10555132505 is an equidigital number, since it uses as much as digits as its factorization.

10555132505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111026506.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 10555132505 in words is "ten billion, five hundred fifty-five million, one hundred thirty-two thousand, five hundred five".