27135151331 has 4 divisors (see below), whose sum is σ = 27153255000. Its totient is φ = 27117047664.

The previous prime is 27135151289. The next prime is 27135151357. The reversal of 27135151331 is 13315153172.

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

It is a cyclic number.

It is not a de Polignac number, because 27135151331 - 2¹⁰ = 27135150307 is a prime.

It is a super-2 number, since 2×27135151331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27135151361) 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, 9049586 + ... + 9052583.

It is an arithmetic number, because the mean of its divisors is an integer number (6788313750).

Almost surely, 2^27135151331 is an apocalyptic number.

27135151331 is a deficient number, since it is larger than the sum of its proper divisors (18103669).

27135151331 is a wasteful number, since it uses less digits than its factorization.

27135151331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18103668.

The product of its digits is 9450, while the sum is 32.

The spelling of 27135151331 in words is "twenty-seven billion, one hundred thirty-five million, one hundred fifty-one thousand, three hundred thirty-one".