61101715639223 has 16 divisors (see below), whose sum is σ = 71718373479744. Its totient is φ = 50957039036160.

The previous prime is 61101715639207. The next prime is 61101715639241. The reversal of 61101715639223 is 32293651710116.

It is a cyclic number.

It is not a de Polignac number, because 61101715639223 - 2⁴ = 61101715639207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101715639273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37528913 + ... + 39123173.

It is an arithmetic number, because the mean of its divisors is an integer number (4482398342484).

Almost surely, 2^{61101715639223} is an apocalyptic number.

61101715639223 is a deficient number, since it is larger than the sum of its proper divisors (10616657840521).

61101715639223 is a wasteful number, since it uses less digits than its factorization.

61101715639223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742282.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 61101715639223 in words is "sixty-one trillion, one hundred one billion, seven hundred fifteen million, six hundred thirty-nine thousand, two hundred twenty-three".