27658616601225 has 12 divisors (see below), whose sum is σ = 45728912780816. Its totient is φ = 14751262187280.

The previous prime is 27658616601223. The next prime is 27658616601289. The reversal of 27658616601225 is 52210661685672.

It is not a de Polignac number, because 27658616601225 - 2¹ = 27658616601223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27658616601223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184390777267 + ... + 184390777416.

Almost surely, 2^{27658616601225} is an apocalyptic number.

27658616601225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27658616601225 is a deficient number, since it is larger than the sum of its proper divisors (18070296179591).

27658616601225 is a wasteful number, since it uses less digits than its factorization.

27658616601225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368781554696 (or 368781554691 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 27658616601225 in words is "twenty-seven trillion, six hundred fifty-eight billion, six hundred sixteen million, six hundred one thousand, two hundred twenty-five".