13503053412 has 18 divisors (see below), whose sum is σ = 34132718438. Its totient is φ = 4501017792.

The previous prime is 13503053401. The next prime is 13503053419. The reversal of 13503053412 is 21435030531.

13503053412 is a `hidden beast` number, since 1 + 350 + 305 + 3 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10589644836 + 2913408576 = 102906^2 + 53976^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (13503053419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 187542373 + ... + 187542444.

Almost surely, 2^13503053412 is an apocalyptic number.

13503053412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13503053412 is an abundant number, since it is smaller than the sum of its proper divisors (20629665026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13503053412 is a wasteful number, since it uses less digits than its factorization.

13503053412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375084827 (or 375084822 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13503053412 its reverse (21435030531), we get a palindrome (34938083943).

The spelling of 13503053412 in words is "thirteen billion, five hundred three million, fifty-three thousand, four hundred twelve".