27318312574145 has 32 divisors (see below), whose sum is σ = 38125759207680. Its totient is φ = 18639260006400.

The previous prime is 27318312574103. The next prime is 27318312574153. The reversal of 27318312574145 is 54147521381372.

It is not a de Polignac number, because 27318312574145 - 2¹⁸ = 27318312312001 is a prime.

It is a super-2 number, since 2×27318312574145² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367688156 + ... + 367762445.

It is an arithmetic number, because the mean of its divisors is an integer number (1191429975240).

Almost surely, 2^{27318312574145} is an apocalyptic number.

It is an amenable number.

27318312574145 is a deficient number, since it is larger than the sum of its proper divisors (10807446633535).

27318312574145 is a wasteful number, since it uses less digits than its factorization.

27318312574145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735450665.

The product of its digits is 5644800, while the sum is 53.

The spelling of 27318312574145 in words is "twenty-seven trillion, three hundred eighteen billion, three hundred twelve million, five hundred seventy-four thousand, one hundred forty-five".