27137257001 has 4 divisors (see below), whose sum is σ = 27649280772. Its totient is φ = 26625233232.

The previous prime is 27137256983. The next prime is 27137257027. The reversal of 27137257001 is 10075273172.

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 21844840000 + 5292417001 = 147800^2 + 72749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27137257001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27137257051) 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, 256011806 + ... + 256011911.

It is an arithmetic number, because the mean of its divisors is an integer number (6912320193).

Almost surely, 2^27137257001 is an apocalyptic number.

It is an amenable number.

27137257001 is a deficient number, since it is larger than the sum of its proper divisors (512023771).

27137257001 is an equidigital number, since it uses as much as digits as its factorization.

27137257001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512023770.

The product of its (nonzero) digits is 20580, while the sum is 35.

The spelling of 27137257001 in words is "twenty-seven billion, one hundred thirty-seven million, two hundred fifty-seven thousand, one".