12903752515 has 4 divisors (see below), whose sum is σ = 15484503024. Its totient is φ = 10323002008.

The previous prime is 12903752501. The next prime is 12903752527. The reversal of 12903752515 is 51525730921.

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 12903752515 - 2¹³ = 12903744323 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290375247 + ... + 1290375256.

It is an arithmetic number, because the mean of its divisors is an integer number (3871125756).

Almost surely, 2^12903752515 is an apocalyptic number.

12903752515 is a deficient number, since it is larger than the sum of its proper divisors (2580750509).

12903752515 is an equidigital number, since it uses as much as digits as its factorization.

12903752515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580750508.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 12903752515 in words is "twelve billion, nine hundred three million, seven hundred fifty-two thousand, five hundred fifteen".