13353521111145 has 24 divisors (see below), whose sum is σ = 23267287060992. Its totient is φ = 7084590602400.

The previous prime is 13353521111143. The next prime is 13353521111257. The reversal of 13353521111145 is 54111112535331.

13353521111145 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 3 + 521 + 11 + 114 + 5 = 666.

It is not a de Polignac number, because 13353521111145 - 2¹ = 13353521111143 is a prime.

It is a super-2 number, since 2×13353521111145² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13353521111143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776810551 + ... + 776827740.

It is an arithmetic number, because the mean of its divisors is an integer number (969470294208).

Almost surely, 2^{13353521111145} is an apocalyptic number.

13353521111145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13353521111145 is a deficient number, since it is larger than the sum of its proper divisors (9913765949847).

13353521111145 is a wasteful number, since it uses less digits than its factorization.

13353521111145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553638493 (or 1553638490 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

Adding to 13353521111145 its reverse (54111112535331), we get a palindrome (67464633646476).

The spelling of 13353521111145 in words is "thirteen trillion, three hundred fifty-three billion, five hundred twenty-one million, one hundred eleven thousand, one hundred forty-five".