15120223332500 has 240 divisors, whose sum is σ = 38869932290112. Its totient is φ = 5072125440000.

The previous prime is 15120223332377. The next prime is 15120223332509. The reversal of 15120223332500 is 523332202151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120223332509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 606665039 + ... + 606689961.

Almost surely, 2^{15120223332500} is an apocalyptic number.

15120223332500 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 15120223332500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19434966145056).

15120223332500 is an abundant number, since it is smaller than the sum of its proper divisors (23749708957612).

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

15120223332500 is a wasteful number, since it uses less digits than its factorization.

15120223332500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26668 (or 26651 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 15120223332500 its reverse (523332202151), we get a palindrome (15643555534651).

The spelling of 15120223332500 in words is "fifteen trillion, one hundred twenty billion, two hundred twenty-three million, three hundred thirty-two thousand, five hundred".