25532142012515 has 4 divisors (see below), whose sum is σ = 30638570415024. Its totient is φ = 20425713610008.

The previous prime is 25532142012431. The next prime is 25532142012577. The reversal of 25532142012515 is 51521024123552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25532142012515 - 2¹⁸ = 25532141750371 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553214201247 + ... + 2553214201256.

It is an arithmetic number, because the mean of its divisors is an integer number (7659642603756).

Almost surely, 2^{25532142012515} is an apocalyptic number.

25532142012515 is a deficient number, since it is larger than the sum of its proper divisors (5106428402509).

25532142012515 is an equidigital number, since it uses as much as digits as its factorization.

25532142012515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106428402508.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 25532142012515 in words is "twenty-five trillion, five hundred thirty-two billion, one hundred forty-two million, twelve thousand, five hundred fifteen".