12625478757487 has 12 divisors (see below), whose sum is σ = 13325291455536. Its totient is φ = 11960674508160.

The previous prime is 12625478757467. The next prime is 12625478757499. The reversal of 12625478757487 is 78475787452621.

It is not a de Polignac number, because 12625478757487 - 2²³ = 12625470368879 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 (12625478757467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14395662 + ... + 15247492.

It is an arithmetic number, because the mean of its divisors is an integer number (1110440954628).

Almost surely, 2^{12625478757487} is an apocalyptic number.

12625478757487 is a deficient number, since it is larger than the sum of its proper divisors (699812698049).

12625478757487 is an equidigital number, since it uses as much as digits as its factorization.

12625478757487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892926 (or 892907 counting only the distinct ones).

The product of its digits is 1475174400, while the sum is 73.

The spelling of 12625478757487 in words is "twelve trillion, six hundred twenty-five billion, four hundred seventy-eight million, seven hundred fifty-seven thousand, four hundred eighty-seven".