27190000111 has 4 divisors (see below), whose sum is σ = 27194975424. Its totient is φ = 27185024800.

The previous prime is 27190000109. The next prime is 27190000139. The reversal of 27190000111 is 11100009172.

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 27190000111 - 2¹ = 27190000109 is a prime.

It is a super-2 number, since 2×27190000111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27190000151) 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, 2479450 + ... + 2490391.

It is an arithmetic number, because the mean of its divisors is an integer number (6798743856).

Almost surely, 2^27190000111 is an apocalyptic number.

27190000111 is the 88140-th centered heptagonal number.

27190000111 is a deficient number, since it is larger than the sum of its proper divisors (4975313).

27190000111 is an equidigital number, since it uses as much as digits as its factorization.

27190000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975312.

The product of its (nonzero) digits is 126, while the sum is 22.

Adding to 27190000111 its reverse (11100009172), we get a palindrome (38290009283).

The spelling of 27190000111 in words is "twenty-seven billion, one hundred ninety million, one hundred eleven", and thus it is an aban number.