15534531152 has 60 divisors (see below), whose sum is σ = 36219506580. Its totient is φ = 6428072448.

The previous prime is 15534531143. The next prime is 15534531169. The reversal of 15534531152 is 25113543551.

15534531152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12004270096 + 3530261056 = 109564^2 + 59416^2 .

It is a super-2 number, since 2×15534531152² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 318893 + ... + 364364.

It is an arithmetic number, because the mean of its divisors is an integer number (603658443).

Almost surely, 2^15534531152 is an apocalyptic number.

It is an amenable number.

15534531152 is an abundant number, since it is smaller than the sum of its proper divisors (20684975428).

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

15534531152 is a wasteful number, since it uses less digits than its factorization.

15534531152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683308 (or 683295 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The spelling of 15534531152 in words is "fifteen billion, five hundred thirty-four million, five hundred thirty-one thousand, one hundred fifty-two".