10545523320405 has 16 divisors (see below), whose sum is σ = 16892617916160. Its totient is φ = 5617685569728.

The previous prime is 10545523320403. The next prime is 10545523320419. The reversal of 10545523320405 is 50402332554501.

It is not a de Polignac number, because 10545523320405 - 2¹ = 10545523320403 is a prime.

It is a super-2 number, since 2×10545523320405² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10545523320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412082685 + ... + 412108274.

It is an arithmetic number, because the mean of its divisors is an integer number (1055788619760).

Almost surely, 2^{10545523320405} is an apocalyptic number.

10545523320405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10545523320405 is a deficient number, since it is larger than the sum of its proper divisors (6347094595755).

10545523320405 is an equidigital number, since it uses as much as digits as its factorization.

10545523320405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824191820.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 10545523320405 its reverse (50402332554501), we get a palindrome (60947855874906).

The spelling of 10545523320405 in words is "ten trillion, five hundred forty-five billion, five hundred twenty-three million, three hundred twenty thousand, four hundred five".