12625551603331 has 4 divisors (see below), whose sum is σ = 12625569520272. Its totient is φ = 12625533686392.

The previous prime is 12625551603271. The next prime is 12625551603349. The reversal of 12625551603331 is 13330615552621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12625551603331 is a prime.

It is a super-2 number, since 2×12625551603331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12625551603391) 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, 7856260 + ... + 9325873.

It is an arithmetic number, because the mean of its divisors is an integer number (3156392380068).

Almost surely, 2^{12625551603331} is an apocalyptic number.

12625551603331 is a deficient number, since it is larger than the sum of its proper divisors (17916941).

12625551603331 is an equidigital number, since it uses as much as digits as its factorization.

12625551603331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17916940.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 12625551603331 in words is "twelve trillion, six hundred twenty-five billion, five hundred fifty-one million, six hundred three thousand, three hundred thirty-one".