15120215032332 has 12 divisors (see below), whose sum is σ = 35280501742136. Its totient is φ = 5040071677440.

The previous prime is 15120215032297. The next prime is 15120215032333. The reversal of 15120215032332 is 23323051202151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 15120215032332.

It is not an unprimeable number, because it can be changed into a prime (15120215032333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630008959669 + ... + 630008959692.

Almost surely, 2^{15120215032332} is an apocalyptic number.

15120215032332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15120215032332 is an abundant number, since it is smaller than the sum of its proper divisors (20160286709804).

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

15120215032332 is a wasteful number, since it uses less digits than its factorization.

15120215032332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260017919368 (or 1260017919366 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 15120215032332 its reverse (23323051202151), we get a palindrome (38443266234483).

The spelling of 15120215032332 in words is "fifteen trillion, one hundred twenty billion, two hundred fifteen million, thirty-two thousand, three hundred thirty-two".