13530052100 has 36 divisors (see below), whose sum is σ = 29377286400. Its totient is φ = 5408873760.

The previous prime is 13530052093. The next prime is 13530052127. The reversal of 13530052100 is 125003531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137441 + ... + 214359.

Almost surely, 2^13530052100 is an apocalyptic number.

13530052100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530052100 is an abundant number, since it is smaller than the sum of its proper divisors (15847234300).

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

13530052100 is a wasteful number, since it uses less digits than its factorization.

13530052100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78692 (or 78685 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 13530052100 its reverse (125003531), we get a palindrome (13655055631).

The spelling of 13530052100 in words is "thirteen billion, five hundred thirty million, fifty-two thousand, one hundred".