13523355445 has 16 divisors (see below), whose sum is σ = 16461964800. Its totient is φ = 10662825600.

The previous prime is 13523355427. The next prime is 13523355457. The reversal of 13523355445 is 54455332531.

It is not a de Polignac number, because 13523355445 - 2¹¹ = 13523353397 is a prime.

It is a super-2 number, since 2×13523355445² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13523355398 and 13523355407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1930900 + ... + 1937890.

It is an arithmetic number, because the mean of its divisors is an integer number (1028872800).

Almost surely, 2^13523355445 is an apocalyptic number.

It is an amenable number.

13523355445 is a deficient number, since it is larger than the sum of its proper divisors (2938609355).

13523355445 is an equidigital number, since it uses as much as digits as its factorization.

13523355445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12516.

The product of its digits is 540000, while the sum is 40.

Adding to 13523355445 its reverse (54455332531), we get a palindrome (67978687976).

The spelling of 13523355445 in words is "thirteen billion, five hundred twenty-three million, three hundred fifty-five thousand, four hundred forty-five".