13531054500 has 72 divisors (see below), whose sum is σ = 42685980792. Its totient is φ = 3608280000.

The previous prime is 13531054487. The next prime is 13531054507. The reversal of 13531054500 is 545013531.

13531054500 is a `hidden beast` number, since 1 + 3 + 53 + 105 + 4 + 500 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2058073956 + 11472980544 = 45366^2 + 107112^2 .

It is not an unprimeable number, because it can be changed into a prime (13531054507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1498951 + ... + 1507950.

Almost surely, 2^13531054500 is an apocalyptic number.

13531054500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531054500 is an abundant number, since it is smaller than the sum of its proper divisors (29154926292).

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

13531054500 is a wasteful number, since it uses less digits than its factorization.

13531054500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006926 (or 3006911 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 13531054500 in words is "thirteen billion, five hundred thirty-one million, fifty-four thousand, five hundred".