61222335543627 has 4 divisors (see below), whose sum is σ = 81629780724840. Its totient is φ = 40814890362416.

The previous prime is 61222335543613. The next prime is 61222335543637. The reversal of 61222335543627 is 72634553322216.

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 61222335543627 - 2⁸ = 61222335543371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61222335543627.

It is not an unprimeable number, because it can be changed into a prime (61222335543637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10203722590602 + ... + 10203722590607.

It is an arithmetic number, because the mean of its divisors is an integer number (20407445181210).

Almost surely, 2^{61222335543627} is an apocalyptic number.

61222335543627 is a deficient number, since it is larger than the sum of its proper divisors (20407445181213).

61222335543627 is a wasteful number, since it uses less digits than its factorization.

61222335543627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407445181212.

The product of its digits is 10886400, while the sum is 51.

The spelling of 61222335543627 in words is "sixty-one trillion, two hundred twenty-two billion, three hundred thirty-five million, five hundred forty-three thousand, six hundred twenty-seven".