27751390265139 has 8 divisors (see below), whose sum is σ = 37004087220480. Its totient is φ = 18499810076616.

The previous prime is 27751390265113. The next prime is 27751390265147. The reversal of 27751390265139 is 93156209315772.

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

It is a de Polignac number, because none of the positive numbers 2^k-27751390265139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27751390261139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279133719 + ... + 279233120.

It is an arithmetic number, because the mean of its divisors is an integer number (4625510902560).

Almost surely, 2^{27751390265139} is an apocalyptic number.

27751390265139 is a deficient number, since it is larger than the sum of its proper divisors (9252696955341).

27751390265139 is a wasteful number, since it uses less digits than its factorization.

27751390265139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558383409.

The product of its (nonzero) digits is 21432600, while the sum is 60.

The spelling of 27751390265139 in words is "twenty-seven trillion, seven hundred fifty-one billion, three hundred ninety million, two hundred sixty-five thousand, one hundred thirty-nine".