123252525515 has 8 divisors (see below), whose sum is σ = 169032035040. Its totient is φ = 84516017472.

The previous prime is 123252525509. The next prime is 123252525533. The reversal of 123252525515 is 515525252321.

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

It is a cyclic number.

It is not a de Polignac number, because 123252525515 - 2¹⁸ = 123252263371 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 1760750330 + ... + 1760750399.

It is an arithmetic number, because the mean of its divisors is an integer number (21129004380).

Almost surely, 2^123252525515 is an apocalyptic number.

123252525515 is a deficient number, since it is larger than the sum of its proper divisors (45779509525).

123252525515 is an equidigital number, since it uses as much as digits as its factorization.

123252525515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521500741.

The product of its digits is 150000, while the sum is 38.

Adding to 123252525515 its reverse (515525252321), we get a palindrome (638777777836).

The spelling of 123252525515 in words is "one hundred twenty-three billion, two hundred fifty-two million, five hundred twenty-five thousand, five hundred fifteen".