27755136001 has 4 divisors (see below), whose sum is σ = 27756448852. Its totient is φ = 27753823152.

The previous prime is 27755135999. The next prime is 27755136077. The reversal of 27755136001 is 10063155772.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11621055601 + 16134080400 = 107801^2 + 127020^2 .

It is a cyclic number.

It is not a de Polignac number, because 27755136001 - 2¹ = 27755135999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27705136001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624186 + ... + 667171.

It is an arithmetic number, because the mean of its divisors is an integer number (6939112213).

Almost surely, 2^27755136001 is an apocalyptic number.

It is an amenable number.

27755136001 is a deficient number, since it is larger than the sum of its proper divisors (1312851).

27755136001 is a wasteful number, since it uses less digits than its factorization.

27755136001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312850.

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 27755136001 in words is "twenty-seven billion, seven hundred fifty-five million, one hundred thirty-six thousand, one".