15132125043515 has 8 divisors (see below), whose sum is σ = 18209990706048. Its totient is φ = 12071406265600.

The previous prime is 15132125043487. The next prime is 15132125043559. The reversal of 15132125043515 is 51534052123151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-15132125043515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4286719211 + ... + 4286722740.

It is an arithmetic number, because the mean of its divisors is an integer number (2276248838256).

Almost surely, 2^{15132125043515} is an apocalyptic number.

15132125043515 is a deficient number, since it is larger than the sum of its proper divisors (3077865662533).

15132125043515 is an equidigital number, since it uses as much as digits as its factorization.

15132125043515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8573442309.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 15132125043515 its reverse (51534052123151), we get a palindrome (66666177166666).

The spelling of 15132125043515 in words is "fifteen trillion, one hundred thirty-two billion, one hundred twenty-five million, forty-three thousand, five hundred fifteen".