27248138005 has 8 divisors (see below), whose sum is σ = 35670289824. Its totient is φ = 19816827600.

The previous prime is 27248137993. The next prime is 27248138017. The reversal of 27248138005 is 50083184272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27248137993) and next prime (27248138017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27248138005 - 2²¹ = 27246040853 is a prime.

It is a super-2 number, since 2×27248138005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247710291 + ... + 247710400.

It is an arithmetic number, because the mean of its divisors is an integer number (4458786228).

Almost surely, 2^27248138005 is an apocalyptic number.

It is an amenable number.

27248138005 is a deficient number, since it is larger than the sum of its proper divisors (8422151819).

27248138005 is a wasteful number, since it uses less digits than its factorization.

27248138005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495420707.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 27248138005 in words is "twenty-seven billion, two hundred forty-eight million, one hundred thirty-eight thousand, five".