15243133752 has 384 divisors, whose sum is σ = 53642833920. Its totient is φ = 3826310400.

The previous prime is 15243133747. The next prime is 15243133811. The reversal of 15243133752 is 25733134251.

15243133752 is a `hidden beast` number, since 1 + 524 + 31 + 33 + 75 + 2 = 666.

15243133752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20795178 + ... + 20795910.

It is an arithmetic number, because the mean of its divisors is an integer number (139694880).

Almost surely, 2^15243133752 is an apocalyptic number.

15243133752 is a gapful number since it is divisible by the number (12) 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 15243133752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26821416960).

15243133752 is an abundant number, since it is smaller than the sum of its proper divisors (38399700168).

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

15243133752 is a wasteful number, since it uses less digits than its factorization.

15243133752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 787 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The spelling of 15243133752 in words is "fifteen billion, two hundred forty-three million, one hundred thirty-three thousand, seven hundred fifty-two".