12625201578 has 16 divisors (see below), whose sum is σ = 27545894496. Its totient is φ = 3825818640.

The previous prime is 12625201571. The next prime is 12625201579. The reversal of 12625201578 is 87510252621.

It is not an unprimeable number, because it can be changed into a prime (12625201571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95645401 + ... + 95645532.

It is an arithmetic number, because the mean of its divisors is an integer number (1721618406).

Almost surely, 2^12625201578 is an apocalyptic number.

12625201578 is an abundant number, since it is smaller than the sum of its proper divisors (14920692918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12625201578 is a wasteful number, since it uses less digits than its factorization.

12625201578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191290949.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 12625201578 in words is "twelve billion, six hundred twenty-five million, two hundred one thousand, five hundred seventy-eight".