12511303487 has 8 divisors (see below), whose sum is σ = 12687086880. Its totient is φ = 12335639040.

The previous prime is 12511303417. The next prime is 12511303489. The reversal of 12511303487 is 78430311521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12511303487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511303489) by changing a digit.

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, 193814 + ... + 250172.

It is an arithmetic number, because the mean of its divisors is an integer number (1585885860).

Almost surely, 2^12511303487 is an apocalyptic number.

12511303487 is a deficient number, since it is larger than the sum of its proper divisors (175783393).

12511303487 is an equidigital number, since it uses as much as digits as its factorization.

12511303487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59473.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 12511303487 in words is "twelve billion, five hundred eleven million, three hundred three thousand, four hundred eighty-seven".