27211354007 has 4 divisors (see below), whose sum is σ = 27333378240. Its totient is φ = 27089329776.

The previous prime is 27211353973. The next prime is 27211354033. The reversal of 27211354007 is 70045311272.

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

It is a cyclic number.

It is not a de Polignac number, because 27211354007 - 2¹⁰ = 27211352983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27211354087) 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, 61011782 + ... + 61012227.

It is an arithmetic number, because the mean of its divisors is an integer number (6833344560).

Almost surely, 2^27211354007 is an apocalyptic number.

27211354007 is a deficient number, since it is larger than the sum of its proper divisors (122024233).

27211354007 is a wasteful number, since it uses less digits than its factorization.

27211354007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122024232.

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 27211354007 its reverse (70045311272), we get a palindrome (97256665279).

The spelling of 27211354007 in words is "twenty-seven billion, two hundred eleven million, three hundred fifty-four thousand, seven".