27311057413205 has 16 divisors (see below), whose sum is σ = 34198763466240. Its totient is φ = 20898547874688.

The previous prime is 27311057413007. The next prime is 27311057413219. The reversal of 27311057413205 is 50231475011372.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 27311057413205 - 2³⁶ = 27242337936469 is a prime.

It is a super-2 number, since 2×27311057413205² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5061476 + ... + 8957714.

It is an arithmetic number, because the mean of its divisors is an integer number (2137422716640).

Almost surely, 2^{27311057413205} is an apocalyptic number.

It is an amenable number.

27311057413205 is a deficient number, since it is larger than the sum of its proper divisors (6887706053035).

27311057413205 is a wasteful number, since it uses less digits than its factorization.

27311057413205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957220.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 27311057413205 in words is "twenty-seven trillion, three hundred eleven billion, fifty-seven million, four hundred thirteen thousand, two hundred five".