27126811246 has 4 divisors (see below), whose sum is σ = 40690216872. Its totient is φ = 13563405622.

The previous prime is 27126811213. The next prime is 27126811249. The reversal of 27126811246 is 64211862172.

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

It is a super-2 number, since 2×27126811246² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27126811199 and 27126811208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27126811249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6781702810 + ... + 6781702813.

It is an arithmetic number, because the mean of its divisors is an integer number (10172554218).

Almost surely, 2^27126811246 is an apocalyptic number.

27126811246 is a deficient number, since it is larger than the sum of its proper divisors (13563405626).

27126811246 is a wasteful number, since it uses less digits than its factorization.

27126811246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13563405625.

The product of its digits is 64512, while the sum is 40.

The spelling of 27126811246 in words is "twenty-seven billion, one hundred twenty-six million, eight hundred eleven thousand, two hundred forty-six".