27899112201111 has 32 divisors (see below), whose sum is σ = 41799324888000. Its totient is φ = 18389149092864.

The previous prime is 27899112201071. The next prime is 27899112201143. The reversal of 27899112201111 is 11110221199872.

It is a happy number.

It is not a de Polignac number, because 27899112201111 - 2⁷ = 27899112200983 is a prime.

It is a super-2 number, since 2×27899112201111² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27899112201811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34853871 + ... + 35645343.

It is an arithmetic number, because the mean of its divisors is an integer number (1306228902750).

Almost surely, 2^{27899112201111} is an apocalyptic number.

27899112201111 is a deficient number, since it is larger than the sum of its proper divisors (13900212686889).

27899112201111 is a wasteful number, since it uses less digits than its factorization.

27899112201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806240 (or 806234 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 45.

The spelling of 27899112201111 in words is "twenty-seven trillion, eight hundred ninety-nine billion, one hundred twelve million, two hundred one thousand, one hundred eleven".