27206551201 has 2 divisors, whose sum is σ = 27206551202. Its totient is φ = 27206551200.

The previous prime is 27206551189. The next prime is 27206551223. The reversal of 27206551201 is 10215560272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18710136225 + 8496414976 = 136785^2 + 92176^2 .

It is a cyclic number.

It is not a de Polignac number, because 27206551201 - 2¹³ = 27206543009 is a prime.

It is not a weakly prime, because it can be changed into another prime (27206551601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13603275600 + 13603275601.

It is an arithmetic number, because the mean of its divisors is an integer number (13603275601).

Almost surely, 2^27206551201 is an apocalyptic number.

It is an amenable number.

27206551201 is a deficient number, since it is larger than the sum of its proper divisors (1).

27206551201 is an equidigital number, since it uses as much as digits as its factorization.

27206551201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 27206551201 in words is "twenty-seven billion, two hundred six million, five hundred fifty-one thousand, two hundred one".