61225775272027 has 4 divisors (see below), whose sum is σ = 61226116255656. Its totient is φ = 61225434288400.

The previous prime is 61225775272021. The next prime is 61225775272127. The reversal of 61225775272027 is 72027257752216.

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 61225775272027 - 2¹⁵ = 61225775239259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61225775272021) 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, 170222338 + ... + 170581639.

It is an arithmetic number, because the mean of its divisors is an integer number (15306529063914).

Almost surely, 2^{61225775272027} is an apocalyptic number.

61225775272027 is a deficient number, since it is larger than the sum of its proper divisors (340983629).

61225775272027 is a wasteful number, since it uses less digits than its factorization.

61225775272027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340983628.

The product of its (nonzero) digits is 11524800, while the sum is 55.

The spelling of 61225775272027 in words is "sixty-one trillion, two hundred twenty-five billion, seven hundred seventy-five million, two hundred seventy-two thousand, twenty-seven".