27253138953599 has 8 divisors (see below), whose sum is σ = 29436624868560. Its totient is φ = 25082094554496.

The previous prime is 27253138953569. The next prime is 27253138953683. The reversal of 27253138953599 is 99535983135272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27253138953599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27253138953569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110374409 + ... + 3110383170.

It is an arithmetic number, because the mean of its divisors is an integer number (3679578108570).

Almost surely, 2^{27253138953599} is an apocalyptic number.

27253138953599 is a deficient number, since it is larger than the sum of its proper divisors (2183485914961).

27253138953599 is a wasteful number, since it uses less digits than its factorization.

27253138953599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220757929.

The product of its digits is 551124000, while the sum is 71.

The spelling of 27253138953599 in words is "twenty-seven trillion, two hundred fifty-three billion, one hundred thirty-eight million, nine hundred fifty-three thousand, five hundred ninety-nine".