27115149937 has 4 divisors (see below), whose sum is σ = 27150410980. Its totient is φ = 27079888896.

The previous prime is 27115149913. The next prime is 27115149947. The reversal of 27115149937 is 73994151172.

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 3418857841 + 23696292096 = 58471^2 + 153936^2 .

It is a cyclic number.

It is not a de Polignac number, because 27115149937 - 2¹⁹ = 27114625649 is a prime.

It is a super-2 number, since 2×27115149937² (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 (27115149947) 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, 17629368 + ... + 17630905.

It is an arithmetic number, because the mean of its divisors is an integer number (6787602745).

Almost surely, 2^27115149937 is an apocalyptic number.

It is an amenable number.

27115149937 is a deficient number, since it is larger than the sum of its proper divisors (35261043).

27115149937 is an equidigital number, since it uses as much as digits as its factorization.

27115149937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35261042.

The product of its digits is 476280, while the sum is 49.

The spelling of 27115149937 in words is "twenty-seven billion, one hundred fifteen million, one hundred forty-nine thousand, nine hundred thirty-seven".