12625015554 has 48 divisors (see below), whose sum is σ = 27652939704. Its totient is φ = 4162464000.

The previous prime is 12625015553. The next prime is 12625015589. The reversal of 12625015554 is 45551052621.

12625015554 is a `hidden beast` number, since 12 + 625 + 0 + 15 + 5 + 5 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12457908225 + 167107329 = 111615^2 + 12927^2 .

It is not an unprimeable number, because it can be changed into a prime (12625015553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2165964 + ... + 2171784.

Almost surely, 2^12625015554 is an apocalyptic number.

12625015554 is an abundant number, since it is smaller than the sum of its proper divisors (15027924150).

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

12625015554 is a wasteful number, since it uses less digits than its factorization.

12625015554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 12625015554 in words is "twelve billion, six hundred twenty-five million, fifteen thousand, five hundred fifty-four".