25112623562641 has 4 divisors (see below), whose sum is σ = 25115898133300. Its totient is φ = 25109348991984.

The previous prime is 25112623562627. The next prime is 25112623562659. The reversal of 25112623562641 is 14626532621152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12342749900625 + 12769873662016 = 3513225^2 + 3573496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25112623562641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25112623562591 and 25112623562600.

It is not an unprimeable number, because it can be changed into a prime (25112623565641) 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, 1637273826 + ... + 1637289163.

It is an arithmetic number, because the mean of its divisors is an integer number (6278974533325).

Almost surely, 2^{25112623562641} is an apocalyptic number.

It is an amenable number.

25112623562641 is a deficient number, since it is larger than the sum of its proper divisors (3274570659).

25112623562641 is an equidigital number, since it uses as much as digits as its factorization.

25112623562641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274570658.

The product of its digits is 1036800, while the sum is 46.

The spelling of 25112623562641 in words is "twenty-five trillion, one hundred twelve billion, six hundred twenty-three million, five hundred sixty-two thousand, six hundred forty-one".