15255132520 has 32 divisors (see below), whose sum is σ = 34331445000. Its totient is φ = 6100738048.

The previous prime is 15255132511. The next prime is 15255132527. The reversal of 15255132520 is 2523155251.

15255132520 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 4 ways, for example, as 6323748484 + 8931384036 = 79522^2 + 94506^2 .

It is not an unprimeable number, because it can be changed into a prime (15255132527) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 158856 + ... + 236104.

Almost surely, 2^15255132520 is an apocalyptic number.

15255132520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15255132520 is an abundant number, since it is smaller than the sum of its proper divisors (19076312480).

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

15255132520 is a wasteful number, since it uses less digits than its factorization.

15255132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82197 (or 82193 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 15255132520 its reverse (2523155251), we get a palindrome (17778287771).

The spelling of 15255132520 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty-two thousand, five hundred twenty".