12625637507 has 4 divisors (see below), whose sum is σ = 14429300016. Its totient is φ = 10821975000.

The previous prime is 12625637501. The next prime is 12625637527. The reversal of 12625637507 is 70573652621.

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 12625637507 - 2⁴ = 12625637491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625637501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901831244 + ... + 901831257.

It is an arithmetic number, because the mean of its divisors is an integer number (3607325004).

Almost surely, 2^12625637507 is an apocalyptic number.

12625637507 is a deficient number, since it is larger than the sum of its proper divisors (1803662509).

12625637507 is an equidigital number, since it uses as much as digits as its factorization.

12625637507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803662508.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 12625637507 in words is "twelve billion, six hundred twenty-five million, six hundred thirty-seven thousand, five hundred seven".