15525343152 has 240 divisors, whose sum is σ = 48119205888. Its totient is φ = 4633873920.

The previous prime is 15525343133. The next prime is 15525343157. The reversal of 15525343152 is 25134352551.

15525343152 is a `hidden beast` number, since 1 + 552 + 53 + 4 + 3 + 1 + 52 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (15525343157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40535953 + ... + 40536335.

Almost surely, 2^15525343152 is an apocalyptic number.

15525343152 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 15525343152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24059602944).

15525343152 is an abundant number, since it is smaller than the sum of its proper divisors (32593862736).

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

15525343152 is a wasteful number, since it uses less digits than its factorization.

15525343152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 719 counting only the distinct ones).

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

The spelling of 15525343152 in words is "fifteen billion, five hundred twenty-five million, three hundred forty-three thousand, one hundred fifty-two".