1515331452000 has 192 divisors, whose sum is σ = 4965138307584. Its totient is φ = 404014118400.

The previous prime is 1515331451969. The next prime is 1515331452007. The reversal of 1515331452000 is 2541335151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515331452007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104476749 + ... + 104491251.

It is an arithmetic number, because the mean of its divisors is an integer number (25860095352).

Almost surely, 2^{1515331452000} is an apocalyptic number.

1515331452000 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 1515331452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482569153792).

1515331452000 is an abundant number, since it is smaller than the sum of its proper divisors (3449806855584).

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

1515331452000 is a wasteful number, since it uses less digits than its factorization.

1515331452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238 (or 23220 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 1515331452000 its reverse (2541335151), we get a palindrome (1517872787151).

The spelling of 1515331452000 in words is "one trillion, five hundred fifteen billion, three hundred thirty-one million, four hundred fifty-two thousand".