27054115399 has 4 divisors (see below), whose sum is σ = 27987015960. Its totient is φ = 26121214840.

The previous prime is 27054115381. The next prime is 27054115441. The reversal of 27054115399 is 99351145072.

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 27054115399 - 2¹⁹ = 27053591111 is a prime.

It is a super-3 number, since 3×27054115399³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27054115349) 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, 466450237 + ... + 466450294.

It is an arithmetic number, because the mean of its divisors is an integer number (6996753990).

Almost surely, 2^27054115399 is an apocalyptic number.

27054115399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

27054115399 is a deficient number, since it is larger than the sum of its proper divisors (932900561).

27054115399 is an equidigital number, since it uses as much as digits as its factorization.

27054115399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932900560.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 27054115399 in words is "twenty-seven billion, fifty-four million, one hundred fifteen thousand, three hundred ninety-nine".