27750275025251 has 2 divisors, whose sum is σ = 27750275025252. Its totient is φ = 27750275025250.

The previous prime is 27750275025229. The next prime is 27750275025289. The reversal of 27750275025251 is 15252057205772.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27750275025251 - 2¹⁴ = 27750275008867 is a prime.

It is a super-2 number, since 2×27750275025251² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27750275025251.

It is not a weakly prime, because it can be changed into another prime (27750275022251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875137512625 + 13875137512626.

It is an arithmetic number, because the mean of its divisors is an integer number (13875137512626).

Almost surely, 2^{27750275025251} is an apocalyptic number.

27750275025251 is a deficient number, since it is larger than the sum of its proper divisors (1).

27750275025251 is an equidigital number, since it uses as much as digits as its factorization.

27750275025251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3430000, while the sum is 50.

The spelling of 27750275025251 in words is "twenty-seven trillion, seven hundred fifty billion, two hundred seventy-five million, twenty-five thousand, two hundred fifty-one".