25676012006 has 4 divisors (see below), whose sum is σ = 38514018012. Its totient is φ = 12838006002.

The previous prime is 25676011997. The next prime is 25676012023. The reversal of 25676012006 is 60021067652.

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

It is a super-2 number, since 2×25676012006² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419003000 + ... + 6419003003.

It is an arithmetic number, because the mean of its divisors is an integer number (9628504503).

Almost surely, 2^25676012006 is an apocalyptic number.

25676012006 is a deficient number, since it is larger than the sum of its proper divisors (12838006006).

25676012006 is a wasteful number, since it uses less digits than its factorization.

25676012006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838006005.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 25676012006 its reverse (60021067652), we get a palindrome (85697079658).

The spelling of 25676012006 in words is "twenty-five billion, six hundred seventy-six million, twelve thousand, six".