15213453255000 has 1920 divisors, whose sum is σ = 73200082475520. Its totient is φ = 2746275840000.

The previous prime is 15213453254999. The next prime is 15213453255053. The reversal of 15213453255000 is 55235431251.

15213453255000 is a `hidden beast` number, since 1 + 5 + 21 + 34 + 53 + 2 + 550 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 765755067 + ... + 765774933.

It is an arithmetic number, because the mean of its divisors is an integer number (38125042956).

Almost surely, 2^{15213453255000} is an apocalyptic number.

15213453255000 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 15213453255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36600041237760).

15213453255000 is an abundant number, since it is smaller than the sum of its proper divisors (57986629220520).

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

15213453255000 is a wasteful number, since it uses less digits than its factorization.

15213453255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19947 (or 19925 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 15213453255000 its reverse (55235431251), we get a palindrome (15268688686251).

The spelling of 15213453255000 in words is "fifteen trillion, two hundred thirteen billion, four hundred fifty-three million, two hundred fifty-five thousand".