13225530555540 has 192 divisors, whose sum is σ = 43664811160320. Its totient is φ = 3311854940160.

The previous prime is 13225530555487. The next prime is 13225530555553. The reversal of 13225530555540 is 4555503552231.

It is a happy number.

13225530555540 is a `hidden beast` number, since 1 + 3 + 2 + 2 + 5 + 53 + 0 + 5 + 55 + 540 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2440680 + ... + 5692800.

It is an arithmetic number, because the mean of its divisors is an integer number (227420891460).

Almost surely, 2^{13225530555540} is an apocalyptic number.

13225530555540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13225530555540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21832405580160).

13225530555540 is an abundant number, since it is smaller than the sum of its proper divisors (30439280604780).

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

13225530555540 is a wasteful number, since it uses less digits than its factorization.

13225530555540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252599 (or 3252591 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 45.

The spelling of 13225530555540 in words is "thirteen trillion, two hundred twenty-five billion, five hundred thirty million, five hundred fifty-five thousand, five hundred forty".