1532511215232 has 64 divisors (see below), whose sum is σ = 4070866520160. Its totient is φ = 510820305920.

The previous prime is 1532511215203. The next prime is 1532511215233. The reversal of 1532511215232 is 2325121152351.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1532511215232² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1532511215193 and 1532511215202.

It is not an unprimeable number, because it can be changed into a prime (1532511215233) 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, 18475483 + ... + 18558245.

Almost surely, 2^{1532511215232} is an apocalyptic number.

1532511215232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1532511215232 is an abundant number, since it is smaller than the sum of its proper divisors (2538355304928).

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

1532511215232 is an equidigital number, since it uses as much as digits as its factorization.

1532511215232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131001 (or 130989 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

Adding to 1532511215232 its reverse (2325121152351), we get a palindrome (3857632367583).

The spelling of 1532511215232 in words is "one trillion, five hundred thirty-two billion, five hundred eleven million, two hundred fifteen thousand, two hundred thirty-two".