13500052530 has 32 divisors (see below), whose sum is σ = 33153620544. Its totient is φ = 3516292416.

The previous prime is 13500052523. The next prime is 13500052541. The reversal of 13500052530 is 3525000531.

It is a self number, because there is not a number n which added to its sum of digits gives 13500052530.

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, 5231289 + ... + 5233868.

It is an arithmetic number, because the mean of its divisors is an integer number (1036050642).

Almost surely, 2^13500052530 is an apocalyptic number.

13500052530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13500052530 is an abundant number, since it is smaller than the sum of its proper divisors (19653568014).

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

13500052530 is a wasteful number, since it uses less digits than its factorization.

13500052530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465210.

The product of its (nonzero) digits is 2250, while the sum is 24.

The spelling of 13500052530 in words is "thirteen billion, five hundred million, fifty-two thousand, five hundred thirty".